【Vulnerability Alert】Cisco License (Smart Software Manager) On-Prem Has Two Critical Security Vulnerabilities

publish date : 2026-10-22 update date : 2026-10-22

Source: Ministry of education information & communication security contingency platform

Publication Number TACERT-ANA-2026101510103434 Publication Time 2026-10-15 10:59:36
Incident Type ANA-Vulnerability Alert Discovery Time 2026-10-15 10:59:36
Impact Level Low  
[Subject]
【Vulnerability Alert】Cisco License (Smart Software Manager) On-Prem Has Two Critical Security Vulnerabilities
[Content]
Forwarded from TWCERTCC-200-202610-00000019

Cisco has issued an advisory regarding critical security vulnerabilities in its License (Smart Software Manager) On-Prem product (CVE-2026-20328 and 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 an unauthenticated remote attacker to write arbitrary files to the system or cause a Denial-of-Service (DoS) attack on the affected application.
【CVE-2026-20328】 This vulnerability exists in the web management interface and may allow an unauthenticated remote attacker to gain unauthorized access to the affected application.

Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform]
Cisco License On-Prem version 9-202601 and earlier (inclusive), Cisco License On-Prem versions earlier than 10-202608 (excluding version 10-202608)
[Recommended Actions]
Please update Cisco License On-Prem to version 10-202608 or later (inclusive)
[Reference]
1. https://www.twcert.org.tw/tw/cp-169-11283-7536b-1.html
(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw
Organizer: Computer Center