What’s Vulnerable › Vulnerabilities

CVE-2021-25265

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-22 · updated 2026-06-17

Description

A malicious website could execute code remotely in Sophos Connect Client before version 2.1.

Affected products

• Sophos Connect Client: before 2.1 — fixed in 2.1

How to fix

Upgrade to a fixed version: Sophos Connect Client 2.1. Check the vendor advisory for mitigations.

References

• https://community.sophos.com/b/security-blog
• https://community.sophos.com/b/security-blog/posts/resolved-rce-in-sophos-connect-client-for-windows-cve-2021-25265
• https://community.sophos.com/b/security-blog
• https://community.sophos.com/b/security-blog/posts/resolved-rce-in-sophos-connect-client-for-windows-cve-2021-25265

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