cisco-sa-ios-tacacs-hdB7thJw: Cisco IOS and IOS XE Software TACACS+ Authentication Bypass Vulnerability

Published Sep 24, 2025
·
Updated

A vulnerability in the implementation of the TACACS+ protocol in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to view sensitive data or bypass authentication. This vulnerability exists because the system does not properly check

Affected Software

2 affected components
Cisco IOS Software
Cisco IOS XE Software

Event History

Sep 24, 2025
Advisory Published
via Cisco·04:00 PM
Data Sourced
via Cisco·04:00 PM
DescriptionSeverityWeakness

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of cisco-sa-ios-tacacs-hdB7thJw?

The severity of cisco-sa-ios-tacacs-hdB7thJw is high due to its potential to allow unauthorized access and exposure of sensitive data.

2

How do I fix cisco-sa-ios-tacacs-hdB7thJw?

To fix cisco-sa-ios-tacacs-hdB7thJw, you should apply the appropriate patches or updates provided by Cisco for the affected IOS Software or IOS XE Software.

3

What systems are affected by cisco-sa-ios-tacacs-hdB7thJw?

cisco-sa-ios-tacacs-hdB7thJw affects Cisco IOS Software and Cisco IOS XE Software implementations of the TACACS+ protocol.

4

What type of data can be compromised due to cisco-sa-ios-tacacs-hdB7thJw?

cisco-sa-ios-tacacs-hdB7thJw can lead to unauthorized viewing of sensitive authentication data.

5

Is authentication bypass possible with cisco-sa-ios-tacacs-hdB7thJw?

Yes, cisco-sa-ios-tacacs-hdB7thJw allows attackers to potentially bypass authentication mechanisms.

Contact

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