# CVE-2022-27512: Temporary disruption of the ADM license service

> A use-after-free vulnerability in Citrix ADM allows attackers to disrupt the license service, preventing new license issuance or renewals.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Jun 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-jgxv-3vwf-pphp

## What is CVE-2022-27512?

CVE-2022-27512 is a medium-severity use after free vulnerability in Citrix Application Delivery Management (Citrix ADM), published on 16 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Temporary disruption of the ADM license service. The impact of this includes preventing new licenses from being issued or renewed by Citrix ADM.

Weakness: CWE-416 (Use After Free), CWE-664 (Improper Control of a Resource Through its Lifetime)

## Which versions are affected by CVE-2022-27512?

It affects 1 product.


Products: Citrix Application Delivery Management.

## How do I fix CVE-2022-27512?

No fix has been published for CVE-2022-27512 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-27512 being exploited?

There is no known exploitation of CVE-2022-27512 in the wild and no public exploit code.

## Other vulnerabilities in Citrix Application Delivery Management (Citrix ADM)

- [CVE-2019-9548](https://insights.sbomify.com/CVE-2019-9548/): Missing authorization in n/a (critical 10.0)
- [CVE-2019-17366](https://insights.sbomify.com/CVE-2019-17366/): Missing authorization in n/a (high 8.8)
- [CVE-2022-27511](https://insights.sbomify.com/CVE-2022-27511/): Privilege escalation in Citrix Application Delivery Management (Citrix ADM) (high 8.1)
- [CVE-2021-22920](https://insights.sbomify.com/CVE-2021-22920/): Auth bypass in Citrix ADC, Citrix Gateway (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-27512 and fix it if it is affected.

What it is: CVE-2022-27512 is a medium-severity use after free vulnerability in Citrix Application Delivery Management (Citrix ADM), published on 16 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-27512 in the wild and no public exploit code.

Affected product: Citrix Application Delivery Management (Citrix ADM). 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-2022-27512/ (Markdown: https://insights.sbomify.com/CVE-2022-27512/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-27512
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-27512
- OSV: https://osv.dev/vulnerability/CVE-2022-27512

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-27512/
Summaries are generated and may contain mistakes; the official description above is the record.