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URL:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-object-bypass-fTH8tDjq
Submission: On May 22 via api (May 22nd 2024, 4:34:17 pm UTC) from TR — Scanned from DE

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Text Content

Home / Cisco Security / Security Advisories

CISCO SECURITY ADVISORY

CISCO FIREPOWER MANAGEMENT CENTER SOFTWARE OBJECT GROUP ACCESS CONTROL LIST
BYPASS VULNERABILITY

Medium
Advisory ID:
cisco-sa-fmc-object-bypass-fTH8tDjq
First Published:
2024 May 22 16:00 GMT
Version 1.0:
Final
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCwd66820

CVE-2024-20361

CWE-264

CVSS Score:
Base 5.8Click Icon to Copy Verbose Score
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X
CVE-2024-20361

CWE-264

Download CSAF

Email
SUMMARY

* A vulnerability in the Object Groups for Access Control Lists (ACLs) feature
of Cisco Firepower Management Center (FMC) Software could allow an
unauthenticated, remote attacker to bypass configured access controls on
managed devices that are running Cisco Firepower Threat Defense (FTD)
Software.

This vulnerability is due to the incorrect deployment of the Object Groups
for ACLs feature from Cisco FMC Software to managed FTD devices in
high-availability setups. After an affected device is rebooted following
Object Groups for ACLs deployment, an attacker can exploit this vulnerability
by sending traffic through the affected device. A successful exploit could
allow the attacker to bypass configured access controls and successfully send
traffic to devices that are expected to be protected by the affected device.

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://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-object-bypass-fTH8tDjq

This advisory is part of the May 2024 release of the Cisco ASA, FMC, and FTD
Software Security Advisory Bundled Publication. For a complete list of the
advisories and links to them, see Cisco Event Response: May 2024 Semiannual
Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication.

AFFECTED PRODUCTS

* VULNERABLE PRODUCTS

At the time of publication, this vulnerability affected Cisco FMC Software if
it was managing Cisco FTD devices that were configured for high availability.

For information about which Cisco software releases are vulnerable, see the
Fixed Software section of this advisory.

DETERMINE THE CISCO FTD DEVICE CONFIGURATION

To determine whether a Cisco FTD device is configured for high availability,
use the show running-config failover command on the device CLI. If the
command returns failover on the first line of output, high availability is
enabled and the device is affected by this vulnerability, as shown in the
following example:

> # show running-config failover
> failover

If the command returns no failover as the first line of output, high
availability is not configured and the device is not affected by this
vulnerability, as shown in the following example:

> # show running-config failover
> no failover

Note: When managing Cisco FTD devices in standalone or cluster
configurations, Cisco FMC Software is not affected by this vulnerability.

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 Adaptive
Security Appliance (ASA) Software or Cisco FTD Software.

Note: Although devices that are running Cisco FTD Software are affected, this
vulnerability exists in Cisco FMC Software.

DETAILS

* Exploitation of this vulnerability could allow an attacker to bypass
protections that are provided by an ACL that is applied on an affected
device. The overall impact of exploitation is organization specific because
it depends on the importance of the assets that the ACL was supposed to
protect. Customers should evaluate how exploitation of this vulnerability
would impact their network and proceed according to their own
vulnerability-handling and remediation processes.

WORKAROUNDS

* There are no workarounds that address this vulnerability.

FIXED SOFTWARE

* 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.

CISCO ASA, FMC, AND FTD SOFTWARE

To help customers determine their exposure to vulnerabilities in Cisco ASA,
FMC, and FTD Software, Cisco provides the Cisco Software Checker. This tool
identifies any Cisco security advisories that impact a specific software
release and the earliest release that fixes the vulnerabilities that are
described in each advisory (“First Fixed”). If applicable, the tool also
returns the earliest release that fixes all the vulnerabilities that are
described in all the advisories that the Software Checker identifies
(“Combined First Fixed”).

To use the tool, go to the Cisco Software Checker page and follow the
instructions. Alternatively, use the following form to search for
vulnerabilities that affect a specific software release. To use the form,
follow these steps:

1. Choose which advisories the tool will search-all advisories, only
advisories with a Critical or High Security Impact Rating (SIR), or only
this advisory.
2. Choose the appropriate software.
3. Choose the appropriate platform.
4. Enter a release number-for example, 9.16.2.11 for Cisco ASA Software or
6.6.7 for Cisco FTD Software.
5. Click Check.

Only this advisory All Critical and High advisories All advisories Cisco ASA
Software Cisco FMC Software Cisco FTD Software Any Platform 3000 Series
Industrial Security Appliances (ISA) ASA 5500-X Series Firewalls ASA Service
Module Adaptive Security Virtual Appliance (ASAv) Firepower 1000 Series
Firepower 2100 Series Firepower 4100 Series Firepower 9000 Series Firepower
NGFW Virtual Secure Firewall 3100 Series Firepower Management Center
Appliances

ADDITIONAL RESOURCES

For help determining the best Cisco ASA, FMC, or FTD Software release, see
the following Recommended Releases documents. If a security advisory
recommends a later release, Cisco recommends following the advisory guidance.

Cisco ASA Compatibility
Cisco Secure Firewall ASA Upgrade Guide
Cisco Secure Firewall Threat Defense Compatibility Guide

EXPLOITATION AND PUBLIC ANNOUNCEMENTS

* 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

* This vulnerability was found during the resolution of a Cisco TAC support
case.

CISCO SECURITY VULNERABILITY POLICY

* 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.

SUBSCRIBE TO CISCO SECURITY NOTIFICATIONS

* Subscribe

RELATED TO THIS ADVISORY

* Cisco Event Response: May 2024 Cisco ASA, FMC, and FTD Software Security
Advisory Bundled Publication

URL

* https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-object-bypass-fTH8tDjq

REVISION HISTORY

* Version Description Section Status Date 1.0 Initial public release. - Final
2024-MAY-22

Show Less

--------------------------------------------------------------------------------

LEGAL DISCLAIMER

* THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF
GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR
MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE
RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.

A standalone copy or paraphrase of the text of this document that omits the
distribution URL is an uncontrolled copy and may lack important information
or contain factual errors. The information in this document is intended for
end users of Cisco products.

FEEDBACK

*
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CISCO SECURITY VULNERABILITY POLICY

SUBSCRIBE TO CISCO SECURITY NOTIFICATIONS

* Subscribe

RELATED TO THIS ADVISORY

* Cisco Event Response: May 2024 Cisco ASA, FMC, and FTD Software Security
Advisory Bundled Publication

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sec.cloudapps.cisco.com Open in urlscan Pro 72.163.15.141 Public Scan

Form analysis 2 forms found in the DOM

Name: pdfGeneration — POST /security/center/downloadPDF.pdf

GET https://sec.cloudapps.cisco.com/security/center/softwarechecker.x?#~onStep3

Text Content

sec.cloudapps.cisco.com Open in urlscan Pro
72.163.15.141 Public Scan

Form analysis
2 forms found in the DOM