# CVE-2022-20807: Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

> Authenticated attackers can write files or disclose sensitive information on Cisco Expressway and TelePresence VCS devices via API or web interfaces.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **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:** 27 May 2022
- **Updated:** 6 Nov 2024
- **Also known as:** GHSA-68gv-xmgv-xhwv

## What is CVE-2022-20807?

CVE-2022-20807 is a medium-severity vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway, published on 27 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to write files or disclose sensitive information on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Weakness: CWE-532 (Insertion of Sensitive Information into Log File)

## Which versions are affected by CVE-2022-20807?

It affects 1 product.


Products: Cisco Telepresence Video Communication Server.

## How do I fix CVE-2022-20807?

No fix has been published for CVE-2022-20807 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-20807 being exploited?

There is no known exploitation of CVE-2022-20807 in the wild and no public exploit code.

## Other vulnerabilities in Cisco TelePresence Video Communication Server (VCS) Expressway

- [CVE-2023-20105](https://insights.sbomify.com/CVE-2023-20105/): Privilege escalation in Cisco TelePresence Video Communication Server (VCS) Expressway (critical 9.6)
- [CVE-2023-20192](https://insights.sbomify.com/CVE-2023-20192/): Cisco Expressway Series and Cisco TelePresence Video Communication Server Privilege Escalation Vulnerabilities (critical 9.6)
- [CVE-2022-20754](https://insights.sbomify.com/CVE-2022-20754/): Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities (critical 9.0)
- [CVE-2022-20755](https://insights.sbomify.com/CVE-2022-20755/): Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities (critical 9.0)
- [CVE-2016-1468](https://insights.sbomify.com/CVE-2016-1468/): Command injection in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-20807 and fix it if it is affected.

What it is: CVE-2022-20807 is a medium-severity vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway, published on 27 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-20807 in the wild and no public exploit code.

Affected product: Cisco TelePresence Video Communication Server (VCS) Expressway. 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-2022-20807/ (Markdown: https://insights.sbomify.com/CVE-2022-20807/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-20807
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-20807
- OSV: https://osv.dev/vulnerability/CVE-2022-20807

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-20807/
Summaries are generated and may contain mistakes; the official description above is the record.