# CVE-2023-28634: GLPI vulnerable to Privilege Escalation from Technician to Super-Admin

> A Technician user can generate a Super-Admin personal token to hijack the account and escalate privileges in GLPI.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Apr 2023
- **Updated:** 10 Feb 2025
- **Also known as:** GHSA-4279-rxmh-gf39, UBUNTU-CVE-2023-28634

## What is CVE-2023-28634?

CVE-2023-28634 is a high-severity vulnerability in Glpi-Project Glpi, published on 5 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

GLPI is a free asset and IT management software package. Starting in version 0.83 and prior to versions 9.5.13 and 10.0.7, a user who has the Technician profile could see and generate a Personal token for a Super-Admin. Using such token it is possible to negotiate a GLPI session and hijack the Super-Admin account, resulting in a Privilege Escalation. Versions 9.5.13 and 10.0.7 contain a patch for this issue.

Weakness: CWE-863 (Incorrect Authorization), CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2023-28634?

It affects 1 product.


Products: Glpi-Project Glpi.

## How do I fix CVE-2023-28634?

No fix has been published for CVE-2023-28634 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28634 being exploited?

There is no known exploitation of CVE-2023-28634 in the wild and no public exploit code.

## Other vulnerabilities in Glpi-Project Glpi

- [CVE-2022-35914](https://insights.sbomify.com/CVE-2022-35914/): Teclib GLPI Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2023-42802](https://insights.sbomify.com/CVE-2023-42802/): GLPI vulnerable to unallowed PHP script execution (critical 10.0)
- [CVE-2023-28849](https://insights.sbomify.com/CVE-2023-28849/): GLPI vulnerable to SQL injection and Stored XSS via inventory agent request (critical 10.0)
- [CVE-2022-35947](https://insights.sbomify.com/CVE-2022-35947/): SQL injection in GLPI (critical 10.0)
- [CVE-2022-31056](https://insights.sbomify.com/CVE-2022-31056/): SQL injection with _actor parameter in GLPI (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28634 and fix it if it is affected.

What it is: CVE-2023-28634 is a high-severity vulnerability in Glpi-Project Glpi, published on 5 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-28634 in the wild and no public exploit code.

Affected product: Glpi-Project Glpi. 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-2023-28634/ (Markdown: https://insights.sbomify.com/CVE-2023-28634/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28634
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28634
- OSV: https://osv.dev/vulnerability/CVE-2023-28634

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-28634/
Summaries are generated and may contain mistakes; the official description above is the record.