CVE-2021-25269

MEDIUM 4.4CVE-2021-25269 · Published 26/11/2021 · updated 17/06/2026

In short

CVE-2021-25269 is a MEDIUM (CVSS 4.4) vulnerability affecting exploit prevention (sophos), intercept x endpoint (sophos), intercept x for server (sophos).
Chance of exploitation in the next 30 days (EPSS): 0.25%, higher than 16.7% of all vulnerabilities.
Fix: update to 3.8.3, 2.0.23 or later.

Package	Affected versions	Patched versions
exploit prevention sophos	`< 3.8.3`	`3.8.3`
intercept x endpoint sophos	`< 2.0.23`	`2.0.23`
intercept x for server sophos	`< 2.0.23`	`2.0.23`

Description

A local administrator could prevent the HMPA service from starting despite tamper protection using an unquoted service path vulnerability in the HMPA component of Sophos Intercept X Advanced and Sophos Intercept X Advanced for Server before version 2.0.23, as well as Sophos Exploit Prevention before version 3.8.3.

References

sophos.com/en-us/security-advisories/sophos-sa-20211126-ixa-hmpa-local-dos · Vendor Advisory

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