# CVE-2024-44087: Integer overflow in Automation License Manager V5

> Unauthenticated remote attackers can cause a denial of service via integer overflow in Siemens Automation License Manager, disrupting license verification.

- **Severity:** Critical 9.2 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Sep 2024
- **Updated:** 13 May 2025
- **Also known as:** GHSA-j2f4-8vj5-m862

## What is CVE-2024-44087?

CVE-2024-44087 is a critical vulnerability in Siemens Automation License Manager V5, published on 10 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability has been identified in Automation License Manager V5 (All versions), Automation License Manager V6.0 (All versions < V6.0 SP12 Upd3), Automation License Manager V6.2 (All versions < V6.2 Upd3). Affected applications do not properly validate certain fields in incoming network packets on port 4410/tcp. This could allow an unauthenticated remote attacker to cause an integer overflow and crash of the application. This denial of service condition could prevent legitimate users from using subsequent products that rely on the affected application for license verification.

Weakness: CWE-190 (Integer Overflow or Wraparound)

## Which versions are affected by CVE-2024-44087?


## How do I fix CVE-2024-44087?

No fix has been published for CVE-2024-44087 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-44087 being exploited?

There is no known exploitation of CVE-2024-44087 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-44087 and fix it if it is affected.

What it is: CVE-2024-44087 is a critical vulnerability in Siemens Automation License Manager V5, published on 10 Sep 2024. 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-2024-44087 in the wild and no public exploit code.

Affected product: Siemens Automation License Manager V5. 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-2024-44087/ (Markdown: https://insights.sbomify.com/CVE-2024-44087/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-44087
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-44087
- OSV: https://osv.dev/vulnerability/CVE-2024-44087

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-44087/
Summaries are generated and may contain mistakes; the official description above is the record.