# CVE-2009-0634: Denial of service in n/a

> Remote attackers can cause a denial of service in Cisco IOS via crafted ICMP packets affecting Mobile IP features.

- **Severity:** High 7.1 (`AV:N/AC:M/Au:N/C:N/I:N/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Mar 2009
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-wgx8-9q2v-2mgc

## What is CVE-2009-0634?

CVE-2009-0634 is a high-severity denial of service vulnerability in n/a, published on 27 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Multiple unspecified vulnerabilities in the home agent (HA) implementation in the (1) Mobile IP NAT Traversal feature and (2) Mobile IPv6 subsystem in Cisco IOS 12.3 through 12.4 allow remote attackers to cause a denial of service (input queue wedge and interface outage) via an ICMP packet, aka Bug ID CSCso05337.

## Which versions are affected by CVE-2009-0634?

It affects 1 product.


Products: Cisco Cisco Ios.

## How do I fix CVE-2009-0634?

No fix has been published for CVE-2009-0634 yet. Limit exposure of the affected software until one is available.

## Is CVE-2009-0634 being exploited?

There is no known exploitation of CVE-2009-0634 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2009-0628](https://insights.sbomify.com/CVE-2009-0628/): Denial of service in n/a (critical 9.0)
- [CVE-2008-1152](https://insights.sbomify.com/CVE-2008-1152/): Denial of service in n/a (high 7.8)
- [CVE-2009-0633](https://insights.sbomify.com/CVE-2009-0633/): Denial of service in n/a (high 7.1)
- [CVE-2008-1153](https://insights.sbomify.com/CVE-2008-1153/): Denial of service in n/a (high 7.1)
- [CVE-2015-4204](https://insights.sbomify.com/CVE-2015-4204/): Denial of service in n/a (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2009-0634 and fix it if it is affected.

What it is: CVE-2009-0634 is a high-severity denial of service vulnerability in n/a, published on 27 Mar 2009. 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-2009-0634 in the wild and no public exploit code.

Affected product: n/a. 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-2009-0634/ (Markdown: https://insights.sbomify.com/CVE-2009-0634/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2009-0634
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2009-0634
- OSV: https://osv.dev/vulnerability/CVE-2009-0634

---
From sbomify Insights: https://insights.sbomify.com/CVE-2009-0634/
Summaries are generated and may contain mistakes; the official description above is the record.