What is CVE-2021-25268?

CVE-2021-25268 is a high-severity vulnerability in Sophos Firewall, classified under Cross-site Scripting. CVSS score: 8.4/10. Published 2022-05-05.

How severe is CVE-2021-25268?

High severity. CVSS v3 base score is 8.4 out of 10.

XSS in Sophos Firewall

CVE-2021-25268

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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (58.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H.

Affected products

Sophos Firewall
Sophos Firewall_firmware
Sophos Firewall — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-alert@sophos.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-25268?: CVE-2021-25268 is a high-severity vulnerability in Sophos Firewall, classified under Cross-site Scripting. CVSS score: 8.4/10. Published 2022-05-05.
How severe is CVE-2021-25268?: High severity. CVSS v3 base score is 8.4 out of 10.