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AUSCERT External Security Bulletin Redistribution
ESB-2021.0150
Cisco Firepower Management Center Information Disclosure Vulnerability
14 January 2021
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AusCERT Security Bulletin Summary
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Product: Cisco Firepower Management Cente
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1126
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-infodisc-RJdktM6f
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Cisco Firepower Management Center Information Disclosure Vulnerability
Priority: Medium
Advisory ID: cisco-sa-fmc-infodisc-RJdktM6f
First Published: 2021 January 13 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvh67867 CSCvp40452
CVE Names: CVE-2021-1126
CWEs: CWE-256
CVSS Score:
5.5 AV:L/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 storage of proxy server credentials of Cisco
Firepower Management Center (FMC) could allow an authenticated, local
attacker to view credentials for a configured proxy server.
The vulnerability is due to clear-text storage and weak permissions of
related configuration files. An attacker could exploit this vulnerability
by accessing the CLI of the affected software and viewing the contents of
the affected files. A successful exploit could allow the attacker to view
the credentials that are used to access the proxy server.
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-fmc-infodisc-RJdktM6f
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability 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 this vulnerability.
Cisco has confirmed that this vulnerability does not affect Cisco Firepower
Threat Defense.
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 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 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 This vulnerability was 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.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-infodisc-RJdktM6f
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-JAN-13 |
+----------+---------------------------+----------+--------+--------------+
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