# CVE-2013-3411: Denial of service in n/a

> Remote attackers can cause a denial of service on Cisco Catalyst 6500 devices with IDSM-2 modules by sending malformed IPv4 TCP packets.

- **Severity:** High 7.8 (`AV:N/AC:L/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:** 18 Jul 2013
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-6952-3242-f9ff

## What is CVE-2013-3411?

CVE-2013-3411 is a high-severity denial of service vulnerability in n/a, published on 18 Jul 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The IDSM-2 drivers in Cisco Intrusion Prevention System (IPS) Software on Cisco Catalyst 6500 devices with an IDSM-2 module allow remote attackers to cause a denial of service (device hang) via malformed IPv4 TCP packets, aka Bug ID CSCuh27460.

## Which versions are affected by CVE-2013-3411?

It affects 2 products.


Products: Cisco Idsm-2, Cisco Intrusion Prevention System.

## How do I fix CVE-2013-3411?

No fix has been published for CVE-2013-3411 yet. Limit exposure of the affected software until one is available.

## Is CVE-2013-3411 being exploited?

There is no known exploitation of CVE-2013-3411 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2013-3411 and fix it if it is affected.

What it is: CVE-2013-3411 is a high-severity denial of service vulnerability in n/a, published on 18 Jul 2013. 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-2013-3411 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-2013-3411/ (Markdown: https://insights.sbomify.com/CVE-2013-3411/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2013-3411
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2013-3411
- OSV: https://osv.dev/vulnerability/CVE-2013-3411

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From sbomify Insights: https://insights.sbomify.com/CVE-2013-3411/
Summaries are generated and may contain mistakes; the official description above is the record.