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Vulnerability record · CVE-2022-3709 · published 1 December 2022

CVE-2022-3709: Sophos xg firewall firmware cross-site scripting vulnerability

Sophos · Xg Firewall Firmware

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.

8.4 CVSS 3.1 High EPSS 0.83% · top 44.1% CWE-79 · Cross-site scripting
8.4CVSS 3.1 base score
0.83%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.sophos.com/en-us/security-advisories/sophos-sa-20221201-sfos-19-5-0 Vendor Advisory
https://www.sophos.com/en-us/security-advisories/sophos-sa-20221201-sfos-19-5-0 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-15069Sophos XG Firewall buffer overflow in HTTP/S BookmarksSophos XG Firewall 17.x through v17.5 MR12 contains a classic buffer overflow (CWE-120) reachable through the HTTP/S Bookmarks feature used for clien…KEVEPSS 11%analysed9.8CVE-2020-15504Sophos xg firewall firmware sql injection vulnerabilityA SQL injection vulnerability in the user and admin web interfaces of Sophos XG Firewall v18.0 MR1 and older potentially allows an attacker to run ar…EPSS 2.1%8.8CVE-2022-3713Sophos xg firewall firmware code injection vulnerabilityA code injection vulnerability allows adjacent attackers to execute code in the Wifi controller of Sophos Firewall releases older than version 19.5 G…EPSS 0.72%8.8CVE-2020-17352Sophos xg firewall firmware os command injection vulnerabilityTwo OS command injection vulnerabilities in the User Portal of Sophos XG Firewall through 2020-08-05 potentially allow an authenticated attacker to r…EPSS 4.1%7.2CVE-2022-3226Sophos xg firewall firmware os command injection vulnerabilityAn OS command injection vulnerability allows admins to execute code via SSL VPN configuration uploads in Sophos Firewall releases older than version …EPSS 1.8%7.2CVE-2022-3696Sophos xg firewall firmware code injection vulnerabilityA post-auth code injection vulnerability allows admins to execute code in Webadmin of Sophos Firewall releases older than version 19.5 GA.EPSS 1.2%4.3CVE-2022-3711Sophos xg firewall firmware sql injection vulnerabilityA post-auth read-only SQL injection vulnerability allows users to read non-sensitive configuration database contents in the User Portal of Sophos Fir…EPSS 0.72%2.7CVE-2022-3710Sophos xg firewall firmware sql injection vulnerabilityA post-auth read-only SQL injection vulnerability allows API clients to read non-sensitive configuration database contents in the API controller of S…EPSS 0.72%

Source: NIST National Vulnerability Database (record CVE-2022-3709), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.