Exposure of Resource to Wrong Sphere in Cisco Smart Software Manager On-Prem - CVE-2026-20160
Published: April 1, 2026
Vulnerability identifier: #VU124786
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20160
CWE-ID: CWE-668
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to an unintentional exposure of an internal service. A remote non-authenticated attacker can send specially crafted HTTP requests to the exposed API interface and execute arbitrary code on the system with root privileges.
Affected software
Cisco Smart Software Manager On-Prem
How to mitigate CVE-2026-20160
Install updates from vendor's website.
Cisco Smart Software Manager On-Prem - update to 9-202601