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AUSCERT External Security Bulletin Redistribution
ESB-2021.0149
Cisco Firepower Management Center Stored Cross-Site
Scripting Vulnerabilities
14 January 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Firepower Management Center
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Cross-site Scripting -- Existing Account
Execute Arbitrary Code/Commands -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1239 CVE-2021-1238
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-stored-xss-djKfCzf2
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Cisco Firepower Management Center Stored Cross-Site Scripting Vulnerabilities
Priority: Medium
Advisory ID: cisco-sa-fmc-stored-xss-djKfCzf2
First Published: 2021 January 13 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvt48601 CSCvt99020
CVE Names: CVE-2021-1238 CVE-2021-1239
CWEs: CWE-79
CVSS Score:
4.8 AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:X/RL:X/RC:X
Summary
o Multiple vulnerabilities in the web-based management interface of Cisco
Firepower Management Center (FMC) could allow an authenticated, remote
attacker to conduct a stored cross-site scripting (XSS) attack against a
user of the interface of an affected system.
The vulnerabilities exist because the web-based management interface does
not properly validate user-supplied input. An attacker could exploit these
vulnerabilities by persuading a user of the interface to click a crafted
link. A successful exploit could allow the attacker to execute arbitrary
script code in the context of the affected interface or access sensitive,
browser-based information.
Cisco has released software updates that address these vulnerabilities.
There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-stored-xss-djKfCzf2
Affected Products
o Vulnerable Products
At the time of publication, these vulnerabilities affected Cisco FMC
releases earlier than Release 6.7.0.
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 these vulnerabilities.
Cisco has confirmed that these vulnerabilities do not affect the following
Cisco products:
Adaptive Security Appliance (ASA)
Firepower Device Manager (FDM)
Firepower Threat Defense (FTD)
Workarounds
o There are no workarounds that address these vulnerabilities.
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 and Alerts 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 FMC releases 6.7.0 and later contained
the fix for these vulnerabilities.
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 vulnerabilities that are
described in this advisory.
Source
o These vulnerabilities were found during internal security testing.
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.
Related to This Advisory
o Cross-Site Scripting
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-stored-xss-djKfCzf2
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-JAN-13 |
+----------+---------------------------+----------+--------+--------------+
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