CVE-2026-20151: Cisco Smart Software Manager On-Prem Privilege Escalation Vulnerability
A vulnerability in the web interface of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges on an affected system. This vulnerability is due to the improper transmission of sensitive user information. An attacker could exploit this vulnerability by sending a crafted message to an affected Cisco SSM On-Prem host and retrieving session credentials from subsequent status messages. A successful exploit could allow the attacker to elevate privileges on the affected system from low to administrative. To exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of System User. Note: This vulnerability exposes information only about users who logged in to the Cisco SSM On-Prem host using the web interface and who are currently logged in. SSH sessions are not affected.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-20151?
CVE-2026-20151 is classified as a privilege escalation vulnerability that could allow attackers to elevate their access on affected systems.
How do I fix CVE-2026-20151?
To fix CVE-2026-20151, it is recommended to update Cisco Smart Software Manager On-Prem to the latest patched version provided by Cisco.
Who is affected by CVE-2026-20151?
CVE-2026-20151 affects users of Cisco Smart Software Manager On-Prem who utilize the web interface to manage their systems.
What causes CVE-2026-20151?
CVE-2026-20151 is caused by improper handling of user authentication in the web interface of Cisco Smart Software Manager On-Prem.
Can CVE-2026-20151 be exploited remotely?
Yes, CVE-2026-20151 can be exploited remotely by an authenticated attacker to gain elevated privileges on the system.