# CVE-2023-22881: Denial of Service in Zoom Clients

> A remote attacker can crash Zoom clients by sending malicious UDP traffic, causing a denial of service.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Mar 2023
- **Updated:** 26 Feb 2025
- **Also known as:** GHSA-jg74-9h29-hfcx

## What is CVE-2023-22881?

CVE-2023-22881 is a medium-severity denial of service vulnerability in Zoom Zoom, published on 16 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service.

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

## Which versions are affected by CVE-2023-22881?

It affects 1 product.


Products: Zoom Zoom.

## How do I fix CVE-2023-22881?

No fix has been published for CVE-2023-22881 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-22881 being exploited?

There is no known exploitation of CVE-2023-22881 in the wild and no public exploit code.

## Other vulnerabilities in Zoom Zoom

- [CVE-2018-15715](https://insights.sbomify.com/CVE-2018-15715/): Missing authorization in Zoom (critical 9.8)
- [CVE-2023-39216](https://insights.sbomify.com/CVE-2023-39216/): Cross-site scripting in Zoom Desktop Client for Windows (critical 9.6)
- [CVE-2023-36534](https://insights.sbomify.com/CVE-2023-36534/): Path traversal in Zoom Desktop Client for Windows (critical 9.3)
- [CVE-2019-13567](https://insights.sbomify.com/CVE-2019-13567/): Command injection in n/a (high 8.8)
- [CVE-2017-15048](https://insights.sbomify.com/CVE-2017-15048/): Memory corruption in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-22881 and fix it if it is affected.

What it is: CVE-2023-22881 is a medium-severity denial of service vulnerability in Zoom Zoom, published on 16 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-22881 in the wild and no public exploit code.

Affected product: Zoom Zoom. 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-2023-22881/ (Markdown: https://insights.sbomify.com/CVE-2023-22881/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-22881
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-22881
- OSV: https://osv.dev/vulnerability/CVE-2023-22881

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-22881/
Summaries are generated and may contain mistakes; the official description above is the record.