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AUSCERT External Security Bulletin Redistribution
ESB-2021.1364
Cisco SD-WAN vManage security update
22 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: SD-WAN vManage software
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Modify Arbitrary Files -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1491 CVE-2021-1484 CVE-2021-1483
CVE-2021-1482 CVE-2021-1481
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-auth-bypass-Z3Zze5XC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-cmdinj-nRHKgfHX
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-cql-inject-c7z9QqyB
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-info-disclos-gGvm9Mfu
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-xml-ext-entity-q6Z7uVUg
Comment: This bulletin contains five (5) Cisco Systems security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
Cisco SD-WAN vManage Authorization Bypass Vulnerability
Priority: Medium
Advisory ID: cisco-sa-vman-auth-bypass-Z3Zze5XC
First Published: 2021 April 21 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvw93076
CVE Names: CVE-2021-1482
CWEs: CWE-20
Summary
o A vulnerability in the web-based management interface of Cisco SD-WAN
vManage Software could allow an authenticated, remote attacker to bypass
authorization checking and gain access to sensitive information on an
affected system.
This vulnerability is due to insufficient authorization checks. An attacker
could exploit this vulnerability by sending crafted HTTP requests to the
web-based management interface of an affected system. A successful exploit
could allow the attacker to bypass authorization checking and gain access
to sensitive information on the affected system.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-auth-bypass-Z3Zze5XC
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco SD-WAN
vManage Software releases earlier than Release 20.5.1.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o When considering software upgrades , customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories page , to determine exposure and a complete
upgrade solution.
In all cases, customers should ensure that the devices to be upgraded
contain sufficient memory and confirm that current hardware and software
configurations will continue to be supported properly by the new release.
If the information is not clear, customers are advised to contact the Cisco
Technical Assistance Center (TAC) or their contracted maintenance
providers.
Fixed Releases
At the time of publication, Cisco SD-WAN vManage Software releases 20.5.1
and later contained the fix for this vulnerability.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Exploitation and Public Announcements
o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
any public announcements or malicious use of the vulnerability that is
described in this advisory.
Source
o Cisco would like to thank Julien Legras and Theo Louis-Tisserand of
Synacktiv for reporting this vulnerability.
Cisco Security Vulnerability Policy
o To learn about Cisco security vulnerability disclosure policies and
publications, see the Security Vulnerability Policy . This document also
contains instructions for obtaining fixed software and receiving security
vulnerability information from Cisco.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-auth-bypass-Z3Zze5XC
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-APR-21 |
+----------+---------------------------+----------+--------+--------------+
- --------------------------------------------------------------------------------
Cisco SD-WAN vManage Command Injection Vulnerability
Priority: Medium
Advisory ID: cisco-sa-vman-cmdinj-nRHKgfHX
First Published: 2021 April 21 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvw93086
CVE Names: CVE-2021-1484
CWEs: CWE-88
Summary
o A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow
an authenticated, remote attacker to inject arbitrary commands on an
affected system and cause a denial of service (DoS) condition.
This vulnerability is due to improper input validation of user-supplied
input to the device template configuration. An attacker could exploit this
vulnerability by submitting crafted input to the device template
configuration. A successful exploit could allow the attacker to cause a DoS
condition on the affected system.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-cmdinj-nRHKgfHX
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco SD-WAN
vManage Software releases earlier than Release 20.5.1.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Cisco has confirmed that this vulnerability does not affect the following
Cisco products:
SD-WAN vBond Orchestrator Software
SD-WAN vEdge Cloud Routers
SD-WAN vEdge Routers
SD-WAN vSmart Controller Software
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o When considering software upgrades , customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories page , to determine exposure and a complete
upgrade solution.
In all cases, customers should ensure that the devices to be upgraded
contain sufficient memory and confirm that current hardware and software
configurations will continue to be supported properly by the new release.
If the information is not clear, customers are advised to contact the Cisco
Technical Assistance Center (TAC) or their contracted maintenance
providers.
Fixed Releases
At the time of publication, Cisco SD-WAN vManage Software releases 20.5.1
and later contained the fix for this vulnerability.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Exploitation and Public Announcements
o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
any public announcements or malicious use of the vulnerability that is
described in this advisory.
Source
o Cisco would like to thank Julien Legras and Theo Louis-Tisserand of
Synacktiv for reporting this vulnerability.
Cisco Security Vulnerability Policy
o To learn about Cisco security vulnerability disclosure policies and
publications, see the Security Vulnerability Policy . This document also
contains instructions for obtaining fixed software and receiving security
vulnerability information from Cisco.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-cmdinj-nRHKgfHX
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-APR-21 |
+----------+---------------------------+----------+--------+--------------+
- --------------------------------------------------------------------------------
Cisco SD-WAN vManage Cypher Query Language Injection Vulnerability
Priority: Medium
Advisory ID: cisco-sa-vmanage-cql-inject-c7z9QqyB
First Published: 2021 April 21 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvw93066
CVE Names: CVE-2021-1481
CWEs: CWE-943
Summary
o A vulnerability in the web-based management interface of Cisco SD-WAN
vManage Software could allow an authenticated, remote attacker to conduct
Cypher query language injection attacks on an affected system.
This vulnerability is due to insufficient input validation by the web-based
management interface. An attacker could exploit this vulnerability by
sending crafted HTTP requests to the interface of an affected system. A
successful exploit could allow the attacker to obtain sensitive
information.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-cql-inject-c7z9QqyB
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco SD-WAN
vManage Software releases earlier than Release 20.5.1.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o When considering software upgrades , customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories page , to determine exposure and a complete
upgrade solution.
In all cases, customers should ensure that the devices to be upgraded
contain sufficient memory and confirm that current hardware and software
configurations will continue to be supported properly by the new release.
If the information is not clear, customers are advised to contact the Cisco
Technical Assistance Center (TAC) or their contracted maintenance
providers.
Fixed Releases
At the time of publication, Cisco SD-WAN vManage Software releases 20.5.1
and later contained the fix for this vulnerability.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Exploitation and Public Announcements
o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
any public announcements or malicious use of the vulnerability that is
described in this advisory.
Source
o Cisco would like to thank Julien Legras and Theo Louis-Tisserand of
Synacktiv for reporting this vulnerability.
Cisco Security Vulnerability Policy
o To learn about Cisco security vulnerability disclosure policies and
publications, see the Security Vulnerability Policy . This document also
contains instructions for obtaining fixed software and receiving security
vulnerability information from Cisco.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-cql-inject-c7z9QqyB
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-APR-21 |
+----------+---------------------------+----------+--------+--------------+
- --------------------------------------------------------------------------------
Cisco SD-WAN vManage Software Information Disclosure Vulnerability
Priority: Medium
Advisory ID: cisco-sa-vmanage-info-disclos-gGvm9Mfu
First Published: 2021 April 21 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvv03493
CVE Names: CVE-2021-1491
CWEs: CWE-59
CVSS Score:
6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:X/RL:X/RC:X
Summary
o A vulnerability in the web-based management interface of Cisco SD-WAN
vManage Software could allow an authenticated, remote attacker to read
arbitrary files on the underlying file system of the device.
This vulnerability is due to insufficient file scope limiting. An attacker
could exploit this vulnerability by creating a specific file reference on
the file system and then accessing it through the web-based management
interface. A successful exploit could allow the attacker to read arbitrary
files from the file system of the underlying operating system.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-info-disclos-gGvm9Mfu
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco SD-WAN
vManage Software releases earlier than Release 20.5.1.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o When considering software upgrades , customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories page , to determine exposure and a complete
upgrade solution.
In all cases, customers should ensure that the devices to be upgraded
contain sufficient memory and confirm that current hardware and software
configurations will continue to be supported properly by the new release.
If the information is not clear, customers are advised to contact the Cisco
Technical Assistance Center (TAC) or their contracted maintenance
providers.
Fixed Releases
At the time of publication, Cisco SD-WAN vManage Software releases 20.5.1
and later contained the fix for this vulnerability.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Exploitation and Public Announcements
o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
any public announcements or malicious use of the vulnerability that is
described in this advisory.
Source
o Cisco would like to thank Johnny Yu of Walmart Security for reporting this
vulnerability.
Cisco Security Vulnerability Policy
o To learn about Cisco security vulnerability disclosure policies and
publications, see the Security Vulnerability Policy . This document also
contains instructions for obtaining fixed software and receiving security
vulnerability information from Cisco.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-info-disclos-gGvm9Mfu
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-APR-21 |
+----------+---------------------------+----------+--------+--------------+
- --------------------------------------------------------------------------------
Cisco SD-WAN vManage XML External Entity Vulnerability
Priority: Medium
Advisory ID: cisco-sa-vman-xml-ext-entity-q6Z7uVUg
First Published: 2021 April 21 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvw93084
CVE Names: CVE-2021-1483
CWEs: CWE-611
Summary
o A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow
an authenticated, remote attacker to gain read and write access to
information that is stored on an affected system.
This vulnerability is due to improper handling of XML External Entity (XXE)
entries when the affected software parses certain XML files. An attacker
could exploit this vulnerability by persuading a user to import a crafted
XML file with malicious entries. A successful exploit could allow the
attacker to read and write files within the affected application.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-xml-ext-entity-q6Z7uVUg
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco SD-WAN
vManage Software releases earlier than Release 20.5.1.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o When considering software upgrades , customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories page , to determine exposure and a complete
upgrade solution.
In all cases, customers should ensure that the devices to be upgraded
contain sufficient memory and confirm that current hardware and software
configurations will continue to be supported properly by the new release.
If the information is not clear, customers are advised to contact the Cisco
Technical Assistance Center (TAC) or their contracted maintenance
providers.
Fixed Releases
At the time of publication, Cisco SD-WAN vManage Software releases 20.5.1
and later contained the fix for this vulnerability.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Exploitation and Public Announcements
o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
any public announcements or malicious use of the vulnerability that is
described in this advisory.
Source
o Cisco would like to thank Julien Legras and Theo Louis-Tisserand of
Synacktiv for reporting this vulnerability.
Cisco Security Vulnerability Policy
o To learn about Cisco security vulnerability disclosure policies and
publications, see the Security Vulnerability Policy . This document also
contains instructions for obtaining fixed software and receiving security
vulnerability information from Cisco.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-xml-ext-entity-q6Z7uVUg
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-APR-21 |
+----------+---------------------------+----------+--------+--------------+
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