CVE-2020-25223 — Sophos SG UTM Remote Code Execution Vulnerability

A remote code execution vulnerability exists in the WebAdmin of Sophos SG UTM before v9.705 MR5, v9.607 MR7, and v9.511 MR11

01What is this vulnerability?

A remote code execution vulnerability exists in the WebAdmin of Sophos SG UTM before v9.705 MR5, v9.607 MR7, and v9.511 MR11

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-03-25. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-09-25T00:00:00.000Z
• Last modified: 2025-10-21T23:35:36.271Z
• Added to CISA KEV: 2022-03-25
• BOD 22-01 due: 2022-04-15

09References

• cwe.mitre.org — https://cwe.mitre.org/data/definitions/78.html
• community.sophos.com — https://community.sophos.com/b/security-blog
• community.sophos.com — https://community.sophos.com/b/security-blog/posts/advisory-resolved-rce-in-sg-u…
• packetstormsecurity.com — http://packetstormsecurity.com/files/164697/Sophos-UTM-WebAdmin-SID-Command-Inje…
• www.secpod.com — https://www.secpod.com/blog/remote-code-execution-in-sophos-utm/