Vulnerability identifier: #VU73865

Vulnerability risk: Critical

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:H/RL:O/RC:C]

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 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Crypto Application Server (CAS): 20150116 - 20230120.43

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External links
http://generalbytes.atlassian.net/wiki/spaces/ESD/pages/2885222430/Security+Incident+March+17-18th+2023

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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.