VDB

CVE-2026-20099

CVE-2026-20099 PUBLISHED CVSS 6.699999809265137 MEDIUM

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.

EPSS 0.06% · 18.0th percentile

Risk Scores

CVSS 3.1
6.699999809265137
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.06%
18.0th percentile

Affected Products

VendorProductVersions
CiscoCisco Secure Firewall Adaptive Security Appliance (ASA) Software9.12.2, 9.12.1, 9.12.3
CiscoCisco Firepower Extensible Operating System (FXOS)2.3.1.99, 2.3.1.56, 2.3.1.58
CiscoCisco Unified Computing System (Managed)4.0(4h), 4.1(1a), 4.0(1c)

Exploit Intelligence

Timeline

  • Oct 8, 2025 CVE ID Reserved
  • Feb 25, 2026 CVE Published
  • Feb 26, 2026 EPSS Score
  • Feb 26, 2026 CVE Updated
  • Feb 27, 2026 EPSS Score
  • Mar 1, 2026 EPSS Score
  • Mar 2, 2026 EPSS Score
  • Mar 4, 2026 EPSS Score
  • Mar 5, 2026 EPSS Score
  • Mar 7, 2026 EPSS Score
  • Mar 8, 2026 EPSS Score
  • Mar 10, 2026 EPSS Score
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