CVE-2021-40119

CRITICAL

Cisco Policy Suite - Privilege Escalation

Title source: llm
STIX 2.1

Description

A vulnerability in the key-based SSH authentication mechanism of Cisco Policy Suite could allow an unauthenticated, remote attacker to log in to an affected system as the root user. This vulnerability is due to the re-use of static SSH keys across installations. An attacker could exploit this vulnerability by extracting a key from a system under their control. A successful exploit could allow the attacker to log in to an affected system as the root user.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0764
EPSS Percentile 92.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-321 CWE-798
Status published
Products (1)
cisco/policy_suite < 21.1.0
Published Nov 04, 2021
Tracked Since Feb 18, 2026