Forwarded from Taiwan Computer Emergency Response Team/Coordination Center Security Alert TWCERTCC-200-202610-00000019

[Description]
Cisco has released a critical security vulnerability advisory for its License (Smart Software Manager) On-Prem (CVE-2026-20328、CVE-2026-76454, both with a CVSS score of 9.1).
【CVE-2026-76454】 This vulnerability exists in the Cisco Smart Licensing Utility API and may allow unauthenticated remote attackers to write arbitrary files to the system or cause a DoS attack on affected applications.
【CVE-2026-20328】 This vulnerability exists in the web management interface and may allow unauthenticated remote attackers to gain unauthorized access to affected applications.

[Affected Platforms]
Cisco License On-Prem versions prior to and including 9-202601, Cisco License On-Prem versions prior to 10-202608 (excluding 10-202608)

[Recommendations]
Please update to Cisco License On-Prem version 10-202608 or later

[References]
1. https://www.twcert.org.tw/tw/cp-169-11283-7536b-1.html