# CVE-2021-43779: Remote Command Execution vulnerability

> Authenticated attackers can execute arbitrary commands on the server via the GLPI addressing plugin, requiring an upgrade or plugin disablement.

- **Severity:** Critical 9.9 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Jan 2022
- **Updated:** 8 Sep 2025
- **Also known as:** GHSA-q5fp-xpr8-77jh, UBUNTU-CVE-2021-43779

## What is CVE-2021-43779?

CVE-2021-43779 is a critical command injection vulnerability in pluginsGLPI addressing, published on 5 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2021-43779?

It affects 1 product.


Products: Teclib-Edition Addressing.

## How do I fix CVE-2021-43779?

No fix has been published for CVE-2021-43779 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-43779 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-43779 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-43779 and fix it if it is affected.

What it is: CVE-2021-43779 is a critical command injection vulnerability in pluginsGLPI addressing, published on 5 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-43779 exists.

Affected product: pluginsGLPI addressing. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-43779/ (Markdown: https://insights.sbomify.com/CVE-2021-43779/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-43779
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-43779
- OSV: https://osv.dev/vulnerability/CVE-2021-43779

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-43779/
Summaries are generated and may contain mistakes; the official description above is the record.