# CVE-2020-13176: Cross-site scripting in - Cloud Access Connector - Cloud Access Connector Legacy

> Remote attackers can inject malicious scripts into log files via the login page, which execute when administrators view the logs, potentially leading to session hijacking or code execution.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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 Aug 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-pqv9-ggw2-j3fm

## What is CVE-2020-13176?

CVE-2020-13176 is a medium-severity cross-site scripting vulnerability in - Cloud Access Connector - Cloud Access Connector Legacy, published on 11 Aug 2020. 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

The Management Interface of the Teradici Cloud Access Connector and Cloud Access Connector Legacy for releases prior to April 24, 2020 (v16 and earlier for the Cloud Access Connector) contains a stored cross-site scripting (XSS) vulnerability which allows a remote unauthenticated attacker to poison log files with malicious JavaScript via the login page which is executed when an administrator views the logs within the application.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2020-13176?

It affects 2 products.


Products: Teradici Cloud Access Connector, Teradici Cloud Access Connector Legacy.

## How do I fix CVE-2020-13176?

No fix has been published for CVE-2020-13176 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-13176 being exploited?

There is no known exploitation of CVE-2020-13176 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-2020-13186](https://insights.sbomify.com/CVE-2020-13186/): Cross-site request forgery in - Cloud Access Connector - Cloud Access Connector Legacy (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-13176 and fix it if it is affected.

What it is: CVE-2020-13176 is a medium-severity cross-site scripting vulnerability in - Cloud Access Connector - Cloud Access Connector Legacy, published on 11 Aug 2020. 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-2020-13176 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-2020-13176/ (Markdown: https://insights.sbomify.com/CVE-2020-13176/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-13176
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-13176
- OSV: https://osv.dev/vulnerability/CVE-2020-13176

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-13176/
Summaries are generated and may contain mistakes; the official description above is the record.