CVE-2020-25223

Name: CVE-2020-25223
Creator: NVD / NIST
Published: 2020-09-25T04:23:04.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 96.69%

Last modified Jun 17, 2026

CVE-2020-25223 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A remote code execution vulnerability exists in the WebAdmin of Sophos SG UTM before v9.705 MR5, v9.607 MR7, and v9.511 MR11. CISA has confirmed active exploitation in the wild. EPSS estimates a 96.69% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

96.69%

99.9th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 15, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sophos	Unified Threat Management	< 9.511
Sophos	Unified Threat Management	>= 9.600, < 9.607
Sophos	Unified Threat Management	>= 9.700, < 9.705
Sophos	Unified Threat Management	9.511
Sophos	Unified Threat Management	9.607
Sophos	Unified Threat Management	9.705

References

http://packetstormsecurity.com/files/164697/Sophos-UTM-WebAdmin-SID-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
https://community.sophos.com/b/security-blogNot Applicable, Vendor Advisory
https://community.sophos.com/b/security-blog/posts/advisory-resolved-rce-in-sg-utm-webadmin-cve-2020-25223Vendor Advisory
https://cwe.mitre.org/data/definitions/78.htmlTechnical Description
https://www.secpod.com/blog/remote-code-execution-in-sophos-utm/Exploit, Third Party Advisory
http://packetstormsecurity.com/files/164697/Sophos-UTM-WebAdmin-SID-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
https://community.sophos.com/b/security-blogNot Applicable, Vendor Advisory
https://community.sophos.com/b/security-blog/posts/advisory-resolved-rce-in-sg-utm-webadmin-cve-2020-25223Vendor Advisory
https://cwe.mitre.org/data/definitions/78.htmlTechnical Description
https://www.secpod.com/blog/remote-code-execution-in-sophos-utm/Exploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-25223US Government Resource

Timeline

Published: Sep 25, 2020
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-25223?

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

How severe is CVE-2020-25223?

CVE-2020-25223 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 96.69% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2020-25223?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST