CVE-2026-76454
Cisco Smart Software Manager On-Prem Unauthenticated API Vulnerability
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability in the Cisco Smart Licensing Utility API of Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), could allow an unauthenticated, remote attacker to write arbitrary files to the system or cause a DoS condition on an affected application. This vulnerability is due to improper input validation and a lack of authentication in the management API. An attacker could exploit this vulnerability by sending a crafted request to the affected API. A successful exploit could allow the attacker to modify system files or cause a DoS condition.
| CWE | CWE-23 |
| Vendor | cisco |
| Product | cisco license on-prem |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Oct 7, 2026 |
| Last Updated | Oct 7, 2026 |
Stay Ahead of the Next One
Get instant alerts for cisco cisco license on-prem
Be the first to know when new critical vulnerabilities affecting cisco cisco license on-prem are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
Cisco / Cisco License On-Prem
7-202001 1.1 6.3.0 8-202004 8-202006 1.2 1.3 8-202012 8-202010 8-202008 9-202201 8-202102 1.4 8-202105 8-202108 8-202112 8-202201 8-202206 8-202212 8-202302 8-202303 8-202304 8-202308 8-202401 8-202404 9-202406 9-202407 9-202410 9-202412 9-202501 9-202502 9-202504 9-202507 9-202510 9-202601 10-202606