# CVE-2007-1531: Denial of service in n/a

> Remote attackers can cause denial of service by sending gratuitous ARP packets that overwrite the ARP table entries on Windows XP and Vista hosts.

- **Severity:** Medium 5.0 (`AV:N/AC:L/Au:N/C:N/I:N/A:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Mar 2007
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-87x4-vg4r-gj33

## What is CVE-2007-1531?

CVE-2007-1531 is a medium-severity denial of service vulnerability in Microsoft Windows Vista, published on 20 Mar 2007. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Microsoft Windows XP and Vista overwrites ARP table entries included in gratuitous ARP, which allows remote attackers to cause a denial of service (loss of network access) by sending a gratuitous ARP for the address of the Vista host.

Weakness: CWE-399

## Which versions are affected by CVE-2007-1531?

It affects 2 products.


Products: Microsoft Windows Vista, Microsoft Windows Xp.

## How do I fix CVE-2007-1531?

No fix has been published for CVE-2007-1531 yet. Limit exposure of the affected software until one is available.

## Is CVE-2007-1531 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-1531 exists.

Public exploit code:

- Microsoft Windows Vista - ARP Table Entries Denial of Service (exploitdb)
- Microsoft Windows Vista - Forged ARP packet Network Stack Denial of Service (exploitdb)

## Other vulnerabilities in Microsoft Windows Vista

- [CVE-2007-5351](https://insights.sbomify.com/CVE-2007-5351/): Code injection in n/a (critical 10.0)
- [CVE-2010-3145](https://insights.sbomify.com/CVE-2010-3145/): Privilege escalation in n/a (critical 9.3)
- [CVE-2008-0951](https://insights.sbomify.com/CVE-2008-0951/): Security feature bypass in n/a (critical 9.3)
- [CVE-2007-1658](https://insights.sbomify.com/CVE-2007-1658/): Path traversal in n/a (critical 9.3)
- [CVE-2007-1534](https://insights.sbomify.com/CVE-2007-1534/): Misconfiguration in n/a (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-1531 and fix it if it is affected.

What it is: CVE-2007-1531 is a medium-severity denial of service vulnerability in Microsoft Windows Vista, published on 20 Mar 2007. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-1531 exists.

Affected product: Microsoft Windows Vista. 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-2007-1531/ (Markdown: https://insights.sbomify.com/CVE-2007-1531/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-1531
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-1531
- OSV: https://osv.dev/vulnerability/CVE-2007-1531

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-1531/
Summaries are generated and may contain mistakes; the official description above is the record.