Cisco IOS XE Software SVI ACL Bypass (cisco-sa-cat9k-acl-L4K7VXgD)

medium Nessus Plugin ID 269807

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

A vulnerability in the access control list (ACL) programming of Cisco IOS XE Software for Cisco Catalyst 9500X and 9600X Series Switches could allow an unauthenticated, remote attacker to bypass a configured ACL on an affected device.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.
https://nvd.nist.gov/vuln/detail/CVE-2025-20316

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwo11541

Plugin Details

Severity: Medium

ID: 269807

File Name: cisco-sa-cat9k-acl-L4K7VXgD-iosxe.nasl

Version: 1.1

Type: combined

Family: CISCO

Published: 10/9/2025

Updated: 10/9/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

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-2025-20316

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

Required KB Items: Host/Cisco/IOS-XE/Version, Host/Cisco/IOS-XE/Model

Exploit Ease: No known exploits are available

Patch Publication Date: 9/24/2025

Vulnerability Publication Date: 9/24/2025

Reference Information

CVE: CVE-2025-20316

CWE: 284

CISCO-SA: cisco-sa-cat9k-acl-L4K7VXgD

IAVA: 2025-A-0701

CISCO-BUG-ID: CSCwo11541

Detections

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