Cisco IOS XR Software Compression ACL Bypass (cisco-sa-comp3acl-vGmp6BQ3)

medium Nessus Plugin ID 181471

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco IOS XR is affected by an ACL bypass vulnerability. An unauthenticated, remote attacker can exploit this, to access trusted networks that the device might be protecting.

Please see the included Cisco BID and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwe08950

See Also

http://www.nessus.org/u?14c152e5

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwe08950

Plugin Details

Severity: Medium

ID: 181471

File Name: cisco-sa-comp3acl-vGmp6BQ3.nasl

Version: 1.2

Type: combined

Family: CISCO

Published: 9/15/2023

Updated: 9/21/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2023-20190

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/o:cisco:ios_xr

Required KB Items: Host/Cisco/IOS-XR/Version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/13/2023

Vulnerability Publication Date: 9/13/2023

Reference Information

CVE: CVE-2023-20190

CISCO-SA: cisco-sa-comp3acl-vGmp6BQ3

IAVA: 2023-A-0487

CISCO-BUG-ID: CSCwe08950