CVE-2020-25223
CriticalExploitedPublic exploitA remote code execution vulnerability exists in the WebAdmin of Sophos SG UTM before v9.705 MR5, v9.607 MR7, and v9.511 MR11
Published Sep 25, 2020 · Updated Nov 7, 2025
Key Facts
Patch immediately- CVE-2020-25223 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Unified Threat Management (Sophos).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 25, 2022. Public exploit code is available.
- EPSS estimates a 97% probability of exploitation in the next 30 days.
- Fixed versions are available, including Unified Threat Management 9.511.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
97%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2020-25223 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Mar 25, 2022 | Apr 15, 2022 | Not reported |
| Industry KEV feed | Mar 25, 2022 | Apr 15, 2022 | Not reported |
| CIRCL KEV | Mar 25, 2022 | Apr 15, 2022 | Not reported |
| ENISA EUVD | Mar 25, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Unified Threat ManagementSophos | 9.511, 9.607, 9.705 | 9.511 |
Patched Releases
Unified Threat Management
9.511
Timeline
Publicly disclosed
Sep 25, 2020
Added to CISA KEV
Mar 25, 2022
Added to Industry KEV feed
Mar 25, 2022
Added to CIRCL KEV
Mar 25, 2022
Added to ENISA EUVD
Mar 25, 2022
Last updated
Nov 7, 2025
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttps://community.sophos.com/b/security-blog
- advisoryhttps://community.sophos.com/b/security-blog/posts/advisory-resolved-rce-in-sg-utm-webadmin-cve-2020-25223
- exploithttp://packetstormsecurity.com/files/164697/Sophos-UTM-WebAdmin-SID-Command-Injection.html
- exploitVulnCheck exploitation report
- exploitMSF sophos_utm_webadmin_sid_cmd_injection.rb
FAQ
Common Questions.
A remote code execution vulnerability exists in the WebAdmin of Sophos SG UTM before v9.705 MR5, v9.607 MR7, and v9.511 MR11
Affected: Unified Threat Management (Sophos) versions 9.511, 9.607, 9.705. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 25, 2022.
Yes. It was added on Mar 25, 2022 with a federal remediation due date of Apr 15, 2022.
Public exploit code is available.
Fixed versions are available, including Unified Threat Management 9.511.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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