What’s Vulnerable › Vulnerabilities

CVE-2021-25273

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-29 · updated 2026-06-17
• Weakness: CWE-79

Description

Stored XSS can execute as administrator in quarantined email detail view in Sophos UTM before version 9.706.

Affected products

• Sophos Unified Threat Management: before 9.706 — fixed in 9.706

How to fix

Upgrade to a fixed version: Sophos Unified Threat Management 9.706. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2021/Dec/3
• https://community.sophos.com/utm-firewall/b/blog/posts/utm-up2date-9-706-released
• http://seclists.org/fulldisclosure/2021/Dec/3
• https://community.sophos.com/utm-firewall/b/blog/posts/utm-up2date-9-706-released

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