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TI-2021-07520 Aliases CVE-2021-25268GHSA-6gw9-fj88-98q3

Cross-site scripting in Sophos Firewall

Priority LOW 38CWE-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 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

EPSS 0.00912 60th 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-2021-07519 Cross-site scripting in Sophos FirewallPriority LOW 39
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-25268
  2. 2026-10-03 Alias added: GHSA-6gw9-fj88-98q3

References

Advisory 1

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences