# CVE-2025-24312: BIG-IP AFM vulnerability

> Attackers can cause high CPU utilization and denial of service on F5 BIG-IP systems when IPS and protocol inspection are enabled.

- **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:** No
- **Published:** 5 Feb 2025
- **Updated:** 12 Feb 2025
- **Also known as:** GHSA-7qw3-c2vm-fjhq

## What is CVE-2025-24312?

CVE-2025-24312 is a high-severity denial of service vulnerability in F5 Big-Ip Advanced Firewall 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 AFM is provisioned with IPS module enabled and protocol inspection profile is configured on a virtual server or firewall rule or policy, undisclosed traffic can cause an increase in CPU resource utilization.  

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-770 (Allocation of Resources Without Limits or Throttling)

## Which versions are affected by CVE-2025-24312?

It affects 2 products.


Products: F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Next Cloud-Native Network Functions.

## How do I fix CVE-2025-24312?

No fix has been published for CVE-2025-24312 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-24312 being exploited?

There is no known exploitation of CVE-2025-24312 in the wild and no public exploit code.

## Other vulnerabilities in F5 Big-Ip Advanced Firewall Manager

- [CVE-2021-23040](https://insights.sbomify.com/CVE-2021-23040/): SQL injection in BIG-IP AFM (high 8.8)
- [CVE-2025-59478](https://insights.sbomify.com/CVE-2025-59478/): BIG-IP AFM DoS protection profile vulnerability (high 8.7)
- [CVE-2019-6636](https://insights.sbomify.com/CVE-2019-6636/): Cross-site scripting in BIG-IP (AFM, ASM) (high 8.4)
- [CVE-2024-21763](https://insights.sbomify.com/CVE-2024-21763/): BIG-IP AFM vulnerability (high 7.5)
- [CVE-2024-21771](https://insights.sbomify.com/CVE-2024-21771/): F5 AFM Signature Matching Vulnerability (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-24312 and fix it if it is affected.

What it is: CVE-2025-24312 is a high-severity denial of service vulnerability in F5 Big-Ip Advanced Firewall 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-2025-24312 in the wild and no public exploit code.

Affected product: F5 Big-Ip Advanced Firewall 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-2025-24312/ (Markdown: https://insights.sbomify.com/CVE-2025-24312/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-24312
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-24312
- OSV: https://osv.dev/vulnerability/CVE-2025-24312

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-24312/
Summaries are generated and may contain mistakes; the official description above is the record.