CVE-2026-20160

critical · 9.8

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.

9.8

CVSS

0.9%

EPSS (exploit prob.)

59th

EPSS percentile

2026-04-01

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-668

Affected products

Vendor	Product	Affected versions
cisco	smart_software_manager_on-prem	>= 9-202502, < 9-202601

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-20160