# CVE-2016-9211: Denial of service in Cisco ONS 15454 Series Multiservice Provisioning

> Unauthenticated remote attackers can cause the controller card to reload, resulting in a denial of service on Cisco ONS 15454 platforms.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Dec 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-26vg-2p3j-9wv3

## What is CVE-2016-9211?

CVE-2016-9211 is a high-severity denial of service vulnerability in Cisco ONS 15454 Series Multiservice Provisioning, published on 14 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability in TCP port management in Cisco ONS 15454 Series Multiservice Provisioning Platforms could allow an unauthenticated, remote attacker to cause the controller card to unexpectedly reload. More Information: CSCuw26032. Known Affected Releases: 10.51.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2016-9211?

It affects 1 product.


Products: Cisco Ons 15454 Sdh Multiservice Platform Software.

## How do I fix CVE-2016-9211?

No fix has been published for CVE-2016-9211 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-9211 being exploited?

There is no known exploitation of CVE-2016-9211 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-9211 and fix it if it is affected.

What it is: CVE-2016-9211 is a high-severity denial of service vulnerability in Cisco ONS 15454 Series Multiservice Provisioning, published on 14 Dec 2016. 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-2016-9211 in the wild and no public exploit code.

Affected product: Cisco ONS 15454 Series Multiservice Provisioning. 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-2016-9211/ (Markdown: https://insights.sbomify.com/CVE-2016-9211/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-9211
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-9211
- OSV: https://osv.dev/vulnerability/CVE-2016-9211

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From sbomify Insights: https://insights.sbomify.com/CVE-2016-9211/
Summaries are generated and may contain mistakes; the official description above is the record.