CVE-2025-20261

HIGH

Cisco Unified Computing System (Managed) - Authenticated Privilege Escalation via SSH Connection Handling

Title source: llm
STIX 2.1

Description

A vulnerability in the SSH connection handling of Cisco Integrated Management Controller (IMC) for Cisco UCS B-Series, UCS C-Series, UCS S-Series, and UCS X-Series Servers could allow an authenticated, remote attacker to access internal services with elevated privileges. This vulnerability is due to insufficient restrictions on access to internal services. An attacker with a valid user account could exploit this vulnerability by using crafted syntax when connecting to the Cisco IMC of an affected device through SSH. A successful exploit could allow the attacker to access internal services with elevated privileges, which may allow unauthorized modifications to the system, including the possibility of creating new administrator accounts on the affected device.

Scores

CVSS v3 8.8
EPSS 0.0057
EPSS Percentile 68.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-923
Status published
Products (50)
Cisco/Cisco Unified Computing System (Managed) 3.2(1d)
Cisco/Cisco Unified Computing System (Managed) 3.2(2b)
Cisco/Cisco Unified Computing System (Managed) 3.2(2c)
Cisco/Cisco Unified Computing System (Managed) 3.2(2d)
Cisco/Cisco Unified Computing System (Managed) 3.2(2e)
Cisco/Cisco Unified Computing System (Managed) 3.2(2f)
Cisco/Cisco Unified Computing System (Managed) 3.2(3a)
Cisco/Cisco Unified Computing System (Managed) 3.2(3b)
Cisco/Cisco Unified Computing System (Managed) 3.2(3d)
Cisco/Cisco Unified Computing System (Managed) 3.2(3e)
... and 40 more
Published Jun 04, 2025
Tracked Since Feb 18, 2026