Cisco UCS Manager Software Command Injection (cisco-sa-ucsciv-wGYtC78q)

medium Nessus Plugin ID 301137

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, Cisco UCS Manager Software is affected by a vulnerability.

- A vulnerability in the web-based management interface of Cisco UCS Manager Software could allow an authenticated, local attacker with administrative privileges to perform command injection attacks on an affected system and elevate privileges to root. This vulnerability is due to insufficient input validation of command arguments supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system of the affected device with root-level privileges.
(CVE-2026-20099)

Please see the included Cisco BID and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwn02394.

See Also

http://www.nessus.org/u?da315add

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn02394

Plugin Details

Severity: Medium

ID: 301137

File Name: cisco-sa-ucsciv-wGYtC78q-ucs.nasl

Version: 1.1

Type: remote

Family: CISCO

Published: 3/6/2026

Updated: 3/6/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C

CVSS Score Source: CVE-2026-20099

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/a:cisco:unified_computing_system

Required KB Items: installed_sw/cisco_ucs_manager

Patch Publication Date: 2/25/2026

Vulnerability Publication Date: 2/25/2026

Reference Information

CVE: CVE-2026-20099

CWE: 78

CISCO-SA: cisco-sa-ucsciv-wGYtC78q

IAVA: 2026-A-0189

CISCO-BUG-ID: CSCwn02394