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AUSCERT External Security Bulletin Redistribution
ESB-2021.0778
Cisco Email Security Appliance and Content Security
Management Appliance Information Disclosure Vulnerability
4 March 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco AsyncOS Software for Cisco Email Security Appliance (ESA)
Cisco Content Security Management Appliance (SMA)
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1425
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-sma-info-disclo-VOu2GHbZ
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Cisco Email Security Appliance and Content Security Management Appliance
Information Disclosure Vulnerability
Priority: Medium
Advisory ID: cisco-sa-esa-sma-info-disclo-VOu2GHbZ
First Published: 2021 March 3 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvw39308
CVE Names: CVE-2021-1425
CWEs: CWE-201
Summary
o A vulnerability in the web-based management interface of Cisco AsyncOS
Software for Cisco Email Security Appliance (ESA) and Cisco Content
Security Management Appliance (SMA) could allow an authenticated, remote
attacker to access sensitive information on an affected device.
The vulnerability exists because confidential information is being included
in HTTP requests that are exchanged between the user and the device. An
attacker could exploit this vulnerability by looking at the raw HTTP
requests that are sent to the interface. A successful exploit could allow
the attacker to obtain some of the passwords that are configured throughout
the interface.
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-esa-sma-info-disclo-VOu2GHbZ
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected the following Cisco
products and Cisco AsyncOS Software releases:
ESA - 3.5.1 and earlier
SMA - earlier than 13.8.0
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:
Cisco Web Security Appliance (WSA)
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 SMA releases 13.8.0 and later contained
the fix for this vulnerability.
At the time of publication, Cisco had not released updates that address
this vulnerability for Cisco ESA.
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 hoangcuongflp 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-esa-sma-info-disclo-VOu2GHbZ
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-MAR-03 |
+----------+---------------------------+----------+--------+--------------+
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