# CVE-2023-4463: Poly CCX 400/CCX 600/Trio 8800/Trio C60 HTTP Header denial of service

> Remote attackers can cause denial of service on Poly conference phones by manipulating the Cookie HTTP header.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-g8c7-p5fx-vxh6

## What is CVE-2023-4463?

CVE-2023-4463 is a medium-severity denial of service vulnerability in Poly CCX 400, published on 29 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability classified as problematic was found in Poly CCX 400, CCX 600, Trio 8800 and Trio C60. This vulnerability affects unknown code of the component HTTP Header Handler. The manipulation of the argument Cookie leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249256.

Weakness: CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2023-4463?

It affects 4 products.


Products: Poly Ccx 400 Firmware, Poly Ccx 600 Firmware, Poly Trio 8800 Firmware, Poly Trio C60 Firmware.

## How do I fix CVE-2023-4463?

No fix has been published for CVE-2023-4463 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4463 being exploited?

There is no known exploitation of CVE-2023-4463 in the wild and no public exploit code.

## Other vulnerabilities in Poly CCX 400

- [CVE-2023-4464](https://insights.sbomify.com/CVE-2023-4464/): Poly VVX 601 Diagnostic Telnet Mode os command injection (high 7.2)
- [CVE-2023-4462](https://insights.sbomify.com/CVE-2023-4462/): Poly VVX 601 Web Configuration Application random values (low 3.7)
- [CVE-2023-4465](https://insights.sbomify.com/CVE-2023-4465/): Poly VVX 601 Configuration File Import unverified password change (low 2.7)
- [CVE-2023-4466](https://insights.sbomify.com/CVE-2023-4466/): Poly CCX 400/CCX 600/Trio 8800/Trio C60 Web Interface protection mechanism (low 2.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4463 and fix it if it is affected.

What it is: CVE-2023-4463 is a medium-severity denial of service vulnerability in Poly CCX 400, published on 29 Dec 2023. 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-2023-4463 in the wild and no public exploit code.

Affected product: Poly CCX 400. 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-2023-4463/ (Markdown: https://insights.sbomify.com/CVE-2023-4463/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4463
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4463
- OSV: https://osv.dev/vulnerability/CVE-2023-4463

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4463/
Summaries are generated and may contain mistakes; the official description above is the record.