Vulnerability identifier: #VU74451

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4934

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Sophos Web Appliance (SWA)
Server applications / Server solutions for antivurus protection

Vendor:

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the exception wizard. A remote authenticated administrator can send specially crafted request to the appliance and execute arbitrary OS commands on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce
http://wsa.sophos.com/docs/ws1000/ws1000/concepts/ReleaseNotes_4.3.10.4.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.