Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-25223

98
FAUCET Score

CVE-2020-25223 is a critical remote code execution vulnerability (CWE-78) affecting the WebAdmin interface of Sophos SG UTM appliances before versions 9.705 MR5, 9.607 MR7, and 9.511 MR11. With a CVSS score of 9.8, it allows unauthenticated attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability. This vulnerability is actively exploited in the wild, with public exploit modules available in Metasploit and Nuclei, and has garnered significant community discussion and media coverage. Its high EPSS score and FAUCET Risk Score of 100/100 underscore the urgent need for patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.511CPE matchmatch criteria
cpe:2.3:a:sophos:unified_threat_management:*:*:*:*:*:*:*:*
>= 9.600, < 9.607CPE matchmatch criteria
cpe:2.3:a:sophos:unified_threat_management:*:*:*:*:*:*:*:*
>= 9.700, < 9.705CPE matchmatch criteria
cpe:2.3:a:sophos:unified_threat_management:*:*:*:*:*:*:*:*
9.511CPE matchmatch criteria
cpe:2.3:a:sophos:unified_threat_management:9.511:-:*:*:*:*:*:*
9.607CPE matchmatch criteria
cpe:2.3:a:sophos:unified_threat_management:9.607:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
96.69%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Mar 25, 2022
Metasploit: Sophos UTM WebAdmin SID Command Injection · Sep 18, 2020
Nuclei: CVE-2020-25223 · Aug 19, 2021
This CVE's current EPSS score of 0.9669 is in the 99th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/164697/Sophos-UTM-WebAdmin-SID-Command-Injection.html
ExploitThird Party AdvisoryVDB Entry
community.sophos.com / b/security-blog
Not ApplicableVendor Advisory
community.sophos.com / b/security-blog/posts/advisory-resolved-rce-in-sg-utm-webadmin-cve-2020-25223
Vendor Advisory
cwe.mitre.org / data/definitions/78.html
Technical Description
secpod.com / blog/remote-code-execution-in-sophos-utm
ExploitThird Party Advisory