# CVE-2020-13173: Race condition in PCoIP Standard Agent for Windows, PCoIP Graphics Agent for Windows

> Attackers can intercept sensitive data or escalate privileges by exploiting an insecure named pipe race condition in Teradici PCoIP Windows agents.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 28 May 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-66mr-xvvj-95jm

## What is CVE-2020-13173?

CVE-2020-13173 is a high-severity vulnerability in PCoIP Standard Agent for Windows, PCoIP Graphics Agent for Windows, published on 28 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Initialization of the pcoip_credential_provider in Teradici PCoIP Standard Agent for Windows and PCoIP Graphics Agent for Windows versions 19.11.1 and earlier creates an insecure named pipe, which allows an attacker to intercept sensitive information or possibly elevate privileges via pre-installing an application which acquires that named pipe.

Weakness: CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization)

## Which versions are affected by CVE-2020-13173?

It affects 2 products.


Products: Teradici Pcoip Graphics Agent, Teradici Pcoip Standard Agent.

## How do I fix CVE-2020-13173?

No fix has been published for CVE-2020-13173 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-13173 being exploited?

There is no known exploitation of CVE-2020-13173 in the wild and no public exploit code.

## Other vulnerabilities in PCoIP Standard Agent for Windows, PCoIP Graphics Agent for Windows

- [CVE-2021-25694](https://insights.sbomify.com/CVE-2021-25694/): Other in n/a (high 7.8)
- [CVE-2021-25688](https://insights.sbomify.com/CVE-2021-25688/): Information disclosure in - PCoIP Standard Agent for Windows - PCoIP Standard Agent for Linux - PCoIP Graphics Agent for Windows - PCoIP Graphics Agent for Linux (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-13173 and fix it if it is affected.

What it is: CVE-2020-13173 is a high-severity vulnerability in PCoIP Standard Agent for Windows, PCoIP Graphics Agent for Windows, published on 28 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-13173 in the wild and no public exploit code.

Affected product: PCoIP Standard Agent for Windows, PCoIP Graphics Agent for Windows. 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-2020-13173/ (Markdown: https://insights.sbomify.com/CVE-2020-13173/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-13173
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-13173
- OSV: https://osv.dev/vulnerability/CVE-2020-13173

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-13173/
Summaries are generated and may contain mistakes; the official description above is the record.