cisco-sa-XE-FSM-Yj8qJbJc: Cisco IOS and IOS XE Software Privilege Escalation Vulnerability

Published Mar 24, 2021
·
Updated

A vulnerability in the dragonite debugger of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to escalate from privilege level 15 to root privilege. The vulnerability is due to the presence of development testing and verification scripts that remained on the device. An attacker could exploit this vulnerability by bypassing the consent token mechanism with the residual scripts on the affected device. A successful exploit could allow the attacker to escalate from privilege level 15 to root privilege. 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-XE-FSM-Yj8qJbJc

Credit

by X.B.(the Cisco Advanced Security Initiatives Group)

Affected Software

2 affected components
Cisco IOS software
Cisco IOS XE Software

Event History

Mar 24, 2021
Advisory Published
04:00 PM
Data Sourced
04:00 PM
DescriptionSeverityWeaknessAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of cisco-sa-XE-FSM-Yj8qJbJc?

The severity of cisco-sa-XE-FSM-Yj8qJbJc is considered high due to the potential for privilege escalation.

2

How do I fix cisco-sa-XE-FSM-Yj8qJbJc?

To fix cisco-sa-XE-FSM-Yj8qJbJc, upgrade to a version of Cisco IOS Software or Cisco IOS XE Software that does not contain the vulnerability.

3

Who is affected by cisco-sa-XE-FSM-Yj8qJbJc?

Only authenticated, local users with access to the Cisco IOS and IOS XE systems are affected by cisco-sa-XE-FSM-Yj8qJbJc.

4

What type of attacker can exploit cisco-sa-XE-FSM-Yj8qJbJc?

An authenticated local attacker can exploit cisco-sa-XE-FSM-Yj8qJbJc to escalate privileges from level 15 to root.

5

What does cisco-sa-XE-FSM-Yj8qJbJc involve?

cisco-sa-XE-FSM-Yj8qJbJc involves the presence of development testing scripts that create a vulnerability in Cisco IOS Software and Cisco IOS XE Software.

Contact

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