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CVE

CVE-2021-25269

A local administrator could prevent the HMPA service from starting despite tamper protection using an unquoted service p

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.

MEDIUM · CVSS 4.4 EPSS 0.00054
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-428Unquoted Search Path or Element
▤

Affected Products & Versions

3
sophos exploit prevention< 3.8.3
sophos intercept x endpoint< 2.0.23
sophos intercept x for server< 2.0.23
▣

Scoring & Timeline

4.4
MEDIUM · CVSS v3.1 · security-alert@sophos.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Nov 2021 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.sophos.com/en-us/security-advisories/sophos-sa-20211126-ixa-hmpa-local-dosVendor Advisory
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