CVE-2026-20160
Cisco Smart Software Manager On-Prem Arbitrary Command Execution Vulnerability
Description
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.
Weakness: CWE-668
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Smart Software Manager On-Prem | Network & Security Management | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Smart Software Manager On-Prem
Vendor advisory
cisco-sa-ssm-cli-execution-cHUcWuNr
Cisco Smart Software Manager On-Prem Arbitrary Command Execution Vulnerability
Cisco’s rating: Critical (advisory CVSS 9.8) · Published Apr 1, 2026
Bug ID: CSCws84279
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from