What is CVE-2026-20160?

CVE-2026-20160 is a critical-severity vulnerability in Cisco Smart Software Manager On-prem, classified under Exposure of Resource to Wrong Sphere. CVSS score: 9.8/10. Published 2026-04-01.

How severe is CVE-2026-20160?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Cisco Smart Software Manager On-prem

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 i…

EPSS: 0.002 (48.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Smart Software Manager On-prem — versions 9-202502, 9-202504, 9-202507

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

cisco-sa-ssm-cli-execution-cHUcWuNr

Frequently asked questions

What is CVE-2026-20160?: CVE-2026-20160 is a critical-severity vulnerability in Cisco Smart Software Manager On-prem, classified under Exposure of Resource to Wrong Sphere. CVSS score: 9.8/10. Published 2026-04-01.
How severe is CVE-2026-20160?: Critical severity. CVSS v3 base score is 9.8 out of 10.