CVE-2026-20160
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Cisco Smart Software Manager On-prem
PublishedApr 1, 2026
First seenApr 1, 2026
Weakness typeCWE-668CWE-668
How to fix
Update
- cisco smart_software_manager_on-prem9-202601 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco smart_software_manager_on-prem | 9-202502 ≤ v < 9-202601 | 9-202601 |
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