#VU66683 Improper access control in Crypto Application Server (CAS)

Vulnerability identifier: #VU66683

Vulnerability risk: Critical

CVSSv4.0: 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/E:A/U:Red]

CVE-ID: N/A

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Crypto Application Server (CAS)
Server applications / Other server solutions

Vendor: General Bytes

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper access restrictions to the default installation page. A remote attacker can connect to the default installation URL and create an administrative user account.

Note, the vulnerability is being active exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Crypto Application Server (CAS): 20201208 - 20220725

---

External links
https://generalbytes.atlassian.net/wiki/spaces/ESD/pages/2785509377/Security+Incident+August+18th+2022

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.