How can a local administrator exploit CVE-2021-25269?

A local administrator can exploit CVE-2021-25269 to prevent the HMPA service from starting despite tamper protection.

What is the severity of CVE-2021-25269?

CVE-2021-25269 has a severity rating of 4.4 (Medium).

Which software versions are affected by CVE-2021-25269?

Sophos Intercept X Advanced and Sophos Intercept X Advanced for Server versions before 2.0.23, as well as Sophos Exploit Prevention versions before 3.8.3 are affected by CVE-2021-25269.

How can I fix CVE-2021-25269?

Update Sophos Intercept X Advanced, Sophos Intercept X Advanced for Server, and Sophos Exploit Prevention to version 2.0.23 or higher.

Vulnerability/
CVE-2021-25269

medium

4.4

CWE

428

26/11/2021

3/8/2024

CVE-2021-25269

Q: What is CVE-2021-25269?

CVE-2021-25269 is 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.

First published: Fri Nov 26 2021(Updated: )

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.

Credit: security-alert@sophos.com

Affected Software	Affected Version	How to fix
Sophos Exploit Prevention	<3.8.3
Sophos Intercept X Endpoint	<2.0.23
Sophos Intercept X For Server	<2.0.23

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Reference Links

https://www.sophos.com/en-us/security-advisories/sophos-sa-20211126-ixa-hmpa-local-dos

Frequently Asked Questions

What is CVE-2021-25269?
CVE-2021-25269 is 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.
How can a local administrator exploit CVE-2021-25269?
A local administrator can exploit CVE-2021-25269 to prevent the HMPA service from starting despite tamper protection.
What is the severity of CVE-2021-25269?
CVE-2021-25269 has a severity rating of 4.4 (Medium).
Which software versions are affected by CVE-2021-25269?
Sophos Intercept X Advanced and Sophos Intercept X Advanced for Server versions before 2.0.23, as well as Sophos Exploit Prevention versions before 3.8.3 are affected by CVE-2021-25269.
How can I fix CVE-2021-25269?
Update Sophos Intercept X Advanced, Sophos Intercept X Advanced for Server, and Sophos Exploit Prevention to version 2.0.23 or higher.

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