# CVE-2025-22891: BIG-IP PEM Vulnerability

> Attackers can cause denial of service and memory exhaustion in BIG-IP PEM when specific Diameter profiles are configured.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 5 Feb 2025
- **Updated:** 5 Feb 2025
- **Also known as:** GHSA-892q-vr75-r4j3, openSUSE-SU-2026:10270-1, openSUSE-SU-2026:20579-1

## What is CVE-2025-22891?

CVE-2025-22891 is a high-severity denial of service vulnerability in F5 Big-Ip Policy Enforcement Manager, published on 5 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

When BIG-IP PEM Control Plane listener Virtual Server is configured with Diameter Endpoint profile, undisclosed traffic can cause the Virtual Server to stop processing new client connections and an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-772 (Missing Release of Resource after Effective Lifetime)

## Which versions are affected by CVE-2025-22891?

It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `gosec` | openSUSE:Leap 16.0 | All versions | 2.25.0-bp160.1.1 |
| `gosec` | openSUSE:Tumbleweed | All versions | 2.24.0-1.1 |

Products: F5 Big-Ip Policy Enforcement Manager.

## How do I fix CVE-2025-22891?

Apply the vendor's patch.

## Is CVE-2025-22891 being exploited?

There is no known exploitation of CVE-2025-22891 in the wild and no public exploit code.

## Other vulnerabilities in F5 Big-Ip Policy Enforcement Manager

- [CVE-2025-35995](https://insights.sbomify.com/CVE-2025-35995/): BIG-IP PEM vulnerability (high 8.7)
- [CVE-2025-24497](https://insights.sbomify.com/CVE-2025-24497/): BIG-IP PEM vulnerability (high 8.7)
- [CVE-2024-23982](https://insights.sbomify.com/CVE-2024-23982/): BIG-IP PEM vulnerability (high 7.5)
- [CVE-2020-5942](https://insights.sbomify.com/CVE-2020-5942/): Denial of service in BIG-IP (PEM) (high 7.5)
- [CVE-2019-6628](https://insights.sbomify.com/CVE-2019-6628/): Denial of service in BIG-IP PEM (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-22891 and fix it if it is affected.

What it is: CVE-2025-22891 is a high-severity denial of service vulnerability in F5 Big-Ip Policy Enforcement Manager, published on 5 Feb 2025. 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-2025-22891 in the wild and no public exploit code.

Affected product: F5 Big-Ip Policy Enforcement Manager. 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-2025-22891/ (Markdown: https://insights.sbomify.com/CVE-2025-22891/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-22891
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-22891
- OSV: https://osv.dev/vulnerability/CVE-2025-22891

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-22891/
Summaries are generated and may contain mistakes; the official description above is the record.