# CVE-2015-6274: Denial of service in n/a

> Remote attackers can cause denial of service on Cisco ASR 1000 devices by triggering packet fragmentation and reassembly, consuming CPU resources.

- **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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Sep 2015
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-93g7-g7h7-2746

## What is CVE-2015-6274?

CVE-2015-6274 is a medium-severity denial of service vulnerability in n/a, published on 2 Sep 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The IPv4 implementation on Cisco ASR 1000 devices with software 15.5(3)S allows remote attackers to cause a denial of service (ESP QFP CPU consumption) by triggering packet fragmentation and reassembly, aka Bug ID CSCuv71273.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2015-6274?

It affects 1 product.


Products: Cisco Asr 1000 Series Software.

## How do I fix CVE-2015-6274?

No fix has been published for CVE-2015-6274 yet. Limit exposure of the affected software until one is available.

## Is CVE-2015-6274 being exploited?

There is no known exploitation of CVE-2015-6274 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-6274 and fix it if it is affected.

What it is: CVE-2015-6274 is a medium-severity denial of service vulnerability in n/a, published on 2 Sep 2015. 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-2015-6274 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-2015-6274/ (Markdown: https://insights.sbomify.com/CVE-2015-6274/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-6274
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-6274
- OSV: https://osv.dev/vulnerability/CVE-2015-6274

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From sbomify Insights: https://insights.sbomify.com/CVE-2015-6274/
Summaries are generated and may contain mistakes; the official description above is the record.