CVE-2022-3709: sophos sophos firewall Cross-site Scripting
CVSS: 8.4v3.1HighModified
Published 01-12-2022Last modified 24-04-2025
Vulnerability summary
CVE-2022-3709 is a high (CVSS 8.4) Cross-site Scripting vulnerability in sophos sophos firewall. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 57.9% of scored vulnerabilities.
CVSS score
8.4/10
010
High · v3.1 (NVD)EPSS score
0.86%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-12-2022PublishedVulnerability first disclosed.
- 24-04-2025Last modifiedVulnerability information updated.
Description
A stored XSS vulnerability allows admin to super-admin privilege escalation in the Webadmin import group wizard of Sophos Firewall releases older than version 19.5 GA.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:HSources2 sources · 6.8–8.4
- CVE.orgCNA6.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.86%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
+0.03 pp
From 0.83% on 19-09-2026
19-09-202619-10-2026
EPSS score0.86%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Sophos2 products
- sophos firewall≥ unspecified, < 19.5 GA | ≥ unspecified, < 19.0 MR2 | ≥ unspecified, < 18.5 MR5
- xg_firewall_firmware≤ 19.0
1 vendor · 2 products