Improper access control in Crypto Application Server (CAS) - CVE-2023-28725
Published: March 21, 2023 / Updated: September 20, 2026
Vulnerability identifier: #VU73865
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-28725
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper access restrictions in the master service interface on port 7741/TCP. A remote attacker can send a specially crafted request to the affected server and execute arbitrary code on the system.
Note, the vulnerability is being actively exploited in the wild.
Affected software
Crypto Application Server (CAS)
How to mitigate CVE-2023-28725
Install updates from vendor's website.
Crypto Application Server (CAS) - addressed in versions 20221118.48, 20230120.44