# CVE-2020-13186: Cross-site request forgery in - Cloud Access Connector - Cloud Access Connector Legacy

> Missing CSRF protection in Teradici Cloud Access Connector allows attackers to modify data via malicious links if users are tricked into clicking them.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 11 Feb 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-g8rv-4ccg-wc6m

## What is CVE-2020-13186?

CVE-2020-13186 is a medium-severity vulnerability in - Cloud Access Connector - Cloud Access Connector Legacy, published on 11 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

An Anti CSRF mechanism was discovered missing in the Teradici Cloud Access Connector v31 and earlier in a specific web form, which allowed an attacker with knowledge of both a machineID and user GUID to modify data if a user clicked a malicious link.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2020-13186?

It affects 1 product.


Products: Teradici Cloud Access Connector.

## How do I fix CVE-2020-13186?

No fix has been published for CVE-2020-13186 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-13186 being exploited?

There is no known exploitation of CVE-2020-13186 in the wild and no public exploit code.

## Other vulnerabilities in - Cloud Access Connector - Cloud Access Connector Legacy

- [CVE-2020-13175](https://insights.sbomify.com/CVE-2020-13175/): Path traversal in - Cloud Access Connector - Cloud Access Connector Legacy (high 7.5)
- [CVE-2020-13185](https://insights.sbomify.com/CVE-2020-13185/): Auth bypass in - Cloud Access Connector - Cloud Access Connector Legacy (medium 6.5)
- [CVE-2020-13176](https://insights.sbomify.com/CVE-2020-13176/): Cross-site scripting in - Cloud Access Connector - Cloud Access Connector Legacy (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-13186 and fix it if it is affected.

What it is: CVE-2020-13186 is a medium-severity vulnerability in - Cloud Access Connector - Cloud Access Connector Legacy, published on 11 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-13186 in the wild and no public exploit code.

Affected product: - Cloud Access Connector - Cloud Access Connector Legacy. 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-2020-13186/ (Markdown: https://insights.sbomify.com/CVE-2020-13186/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-13186
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-13186
- OSV: https://osv.dev/vulnerability/CVE-2020-13186

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-13186/
Summaries are generated and may contain mistakes; the official description above is the record.