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AUSCERT External Security Bulletin Redistribution
ESB-2021.3320
Cisco Smart Software Manager Privilege Escalation Vulnerability
7 October 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Smart Software Manager
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Increased Privileges -- Existing Account
Modify Arbitrary Files -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-34766
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-priv-esc-5g35cdDJ
- --------------------------BEGIN INCLUDED TEXT--------------------
Cisco Smart Software Manager Privilege Escalation Vulnerability
Priority: Medium
Advisory ID: cisco-sa-ssm-priv-esc-5g35cdDJ
First Published: 2021 October 6 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvz05241
CVE Names: CVE-2021-34766
CWEs: CWE-269
Summary
o A vulnerability in the web UI of Cisco Smart Software Manager On-Prem (SSM
On-Prem) could allow an authenticated, remote attacker to elevate
privileges and create, read, update, or delete records and settings in
multiple functions.
This vulnerability is due to insufficient authorization of the System User
and System Operator role capabilities. An attacker could exploit this
vulnerability by directly accessing a web resource. A successful exploit
could allow the attacker to create, read, update, or delete records and
settings in multiple functions without the necessary permissions on the web
UI.
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-ssm-priv-esc-5g35cdDJ
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco SSM On-Prem.
For information about which Cisco software releases were vulnerable at the
time of publication, see the Fixed Software section of this advisory. 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.
Indicators of Compromise
o The Cisco Security Indicators of Compromise Reference Guide lists commonly
observed IoCs, which can help identify devices that may have been impacted
by the vulnerability disclosed in this Cisco security advisory.
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, the release information in the following table
(s) was accurate. See the Details section in the bug ID(s) at the top of
this advisory for the most complete and current information.
The left column lists Cisco software releases, and the right column
indicates whether a release was affected by the vulnerability described in
this advisory and which release included the fix for this vulnerability.
Cisco SSM On-Prem First Fixed Release
Earlier than 8-202108 8-202108
The Cisco Product Security Incident Response Team (PSIRT) validates only
the affected and fixed release information that is documented in this
advisory.
Exploitation and Public Announcements
o The Cisco PSIRT is not aware of any public announcements or malicious use
of the vulnerability that is described in this advisory.
Source
o This vulnerability was found during the resolution of a Cisco TAC support
case.
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-ssm-priv-esc-5g35cdDJ
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-OCT-06 |
+----------+---------------------------+----------+--------+--------------+
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