Paper/Archive/CVE-2026-76454

CVE-2026-76454

Cisco Cisco License On-Prem — Cisco Smart Software Manager On-Prem Unauthenticated API Vulnerability

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Cisco License On-Prem7-202001–CNA
Cisco License On-Prem1.1–CNA
Cisco License On-Prem6.3.0–CNA
Cisco License On-Prem8-202004–CNA
Cisco License On-Prem8-202006–CNA
Cisco License On-Prem1.2–CNA
Cisco License On-Prem1.3–CNA
Cisco License On-Prem8-202012–CNA
Cisco License On-Prem8-202010–CNA
Cisco License On-Prem8-202008–CNA
Cisco License On-Prem9-202201–CNA
Cisco License On-Prem8-202102–CNA

Scores by source

cisco (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-access-nttb2dhE