CVE-2021-25268

8.4 highEPSS 0.9%

High (8.4) in sophos firewall firmware. EPSS 0.9% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

8.4 high

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2022-05-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

sophos:firewall_firmware

References

https://www.sophos.com/en-us/security-advisories/sophos-sa-20220505-sfos-19-0-0
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220505-sfos-19-0-0

Check your stack JSON