CVE-2026-20328: critical vulnerability in Cisco License On-Prem
Cisco Smart Software Manager On-Prem Arbitrary Account Password Reset Vulnerability
Published · Updated
25Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.1
exploitation probability
—
observed exploitation
nono source reports it
A vulnerability in the web-based management interface of Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), could allow an unauthenticated, remote attacker to gain unauthorized access to an affected application.
This vulnerability is due to improper checks during the password reset process. An attacker could exploit this vulnerability by sending a malicious request to the web-based management interface. A successful exploit could allow the attacker to reset the password of an arbitrary account, including high-privileged administrative user accounts, possibly allowing the attacker to gain unauthorized access to the application as any user.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Cisco · Cisco License On-PremRelated CVEs — Cisco License On-Prem
In the same product, most dangerous first.
CVE-2026-76484HIGHCisco License On-Prem Security Hardening ReleaseEPSS —CVE-2026-76483CRITICALCisco License On-Prem Security Hardening ReleaseEPSS —CVE-2026-76482CRITICALCisco License On-Prem Security Hardening ReleaseEPSS —CVE-2026-76480CRITICALCisco License On-Prem Security Hardening ReleaseEPSS —CVE-2026-76454CRITICALCisco Smart Software Manager On-Prem Unauthenticated API VulnerabilityEPSS —CVE-2026-76437MEDIUMCisco Smart Software Manager On-Prem Command Injection VulnerabilityEPSS —