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Cisco Firepower Management Center Software Object Group Access Control List Bypass (cisco-sa-fmc-object-bypass-fTH8tDjq)

medium Nessus Plugin ID 200538

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

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.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwd66820

See Also

http://www.nessus.org/u?31f151e8

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwd66820

Plugin Details

Severity: Medium

ID: 200538

File Name: cisco-sa-fmc-object-bypass-fTH8tDjq.nasl

Version: 1.2

Type: local

Family: CISCO

Published: 6/14/2024

Updated: 6/17/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2024-20361

CVSS v3

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 5.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:firepower_management_center

Required KB Items: Host/Cisco/firepower_mc/version

Exploit Ease: No known exploits are available

Patch Publication Date: 5/22/2024

Vulnerability Publication Date: 5/22/2024

Reference Information

CVE: CVE-2024-20361