CVE-2026-20160

A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected SSM On-Prem host. This vulnerability is due to the unintentional exposure of an internal service. An attacker could exploit this vulnerability by sending a crafted request to the API of the exposed service. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - psirt@cisco.com

Published

2026-04-01

Last modified

2026-10-26

Weaknesses

CWE-668

Affected products

• Cisco Smart Software Manager On-prem (Cisco)
• Smart Software Manager On-prem (Cisco)

References

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-cli-execution-cHUcWuNr