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TI-2021-07519 Aliases CVE-2021-25267GHSA-5fg7-mh37-fjrv

Cross-site scripting in Sophos Firewall

Priority LOW 39CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Multiple XSS vulnerabilities in Webadmin allow for privilege escalation from admin to super-admin in Sophos Firewall older than version 19.0 GA.

Why it matters now

EPSS 0.01093 65th percentileScored 2026-11-07
Fix Fixed Sophos Firewall (Sophos): 19.0 GA

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SophosSophos Firewallbefore 19.0 GA19.0 GAPatch availableCNA
  • Sophos Firewall VendorSophos Affected before 19.0 GA Fixed in 19.0 GA Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:sophos:firewall_firmware:*:*:*:*:*:*:*:*before 19.0VulnerableSophos
cpe:2.3:h:sophos:firewall:-:*:*:*:*:*:*:*not specified by NVDRunning onSophos
  • cpe:2.3:o:sophos:firewall_firmware:*:*:*:*:*:*:*:* Versions before 19.0 Vulnerable ·Sophos
  • cpe:2.3:h:sophos:firewall:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Sophos

Remediation

  • Fix · CNA Sophos Firewall (Sophos) Fixed in 19.0 GA

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Sophos Firewall 19.0 GA

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-07520 Cross-site scripting in Sophos FirewallPriority LOW 38

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-25267
  2. 2026-10-03 Alias added: GHSA-5fg7-mh37-fjrv

References

  • TI-2025-06959 SQL injection in Sophos Firewall CVSS 3.1CRITICAL 9.8
  • TI-2025-06088 OS command injection in Sophos Firewall CVSS 3.1CRITICAL 9.8
  • TI-2024-11800 SQL injection in Sophos Firewall CVSS 3.1CRITICAL 9.8
  • TI-2024-11801 A weak credentials vulnerability potentially allows privileged system access via SSH to… CVSS 3.1CRITICAL 9.8
  • TI-2024-12980 A business logic vulnerability in the Up2Date component of Sophos Firewall older than… CVSS 3.1HIGH 8.1
  • TI-2025-06724 OS command injection in Sophos Firewall CVSS 3.1HIGH 8.8
See all 9 →

Sources