CVE-2026-20099

MEDIUM

Cisco FXOS/UCS Manager - Command Injection

Title source: llm
STIX 2.1

Description

A vulnerability in the web-based management interface of Cisco FXOS Software and 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.

Scores

CVSS v3 6.7
EPSS 0.0006
EPSS Percentile 17.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (50)
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.159
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.166
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.179
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.207
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.234
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.245
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.271
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.312
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.328
Cisco/Cisco Firepower Extensible Operating System (FXOS) 2.10.1.341
... and 40 more
Published Feb 25, 2026
Tracked Since Feb 26, 2026