# CVE-2022-27509: Unauthenticated redirection to a malicious website

> An unauthenticated attacker can redirect users to malicious websites via Citrix ADC and Gateway, potentially facilitating phishing attacks.

- **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:** 28 Jul 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-xgwp-wf98-3xhc

## What is CVE-2022-27509?

CVE-2022-27509 is a medium-severity vulnerability in Citirx Citrix Application Delivery Management (Citrix ADC) and Citrix Gateway, published on 28 Jul 2022. 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

Unauthenticated redirection to a malicious website

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2022-27509?

It affects 2 products.


Products: Citrix Application Delivery Controller Firmware, Citrix Gateway.

## How do I fix CVE-2022-27509?

No fix has been published for CVE-2022-27509 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-27509 being exploited?

There is no known exploitation of CVE-2022-27509 in the wild and no public exploit code.

## Other vulnerabilities in Citirx Citrix Application Delivery Management (Citrix ADC) and Citrix Gateway

- [CVE-2022-27518](https://insights.sbomify.com/CVE-2022-27518/): Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2019-19781](https://insights.sbomify.com/CVE-2019-19781/): Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution (critical 9.8, exploited in the wild)
- [CVE-2020-8193](https://insights.sbomify.com/CVE-2020-8193/): Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass (medium 6.5, exploited in the wild)
- [CVE-2020-8195](https://insights.sbomify.com/CVE-2020-8195/): Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure (medium 6.5, exploited in the wild)
- [CVE-2020-8196](https://insights.sbomify.com/CVE-2020-8196/): Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure (medium 4.3, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-27509 and fix it if it is affected.

What it is: CVE-2022-27509 is a medium-severity vulnerability in Citirx Citrix Application Delivery Management (Citrix ADC) and Citrix Gateway, published on 28 Jul 2022. 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-2022-27509 in the wild and no public exploit code.

Affected product: Citirx Citrix Application Delivery Management (Citrix ADC) and Citrix Gateway. 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-2022-27509/ (Markdown: https://insights.sbomify.com/CVE-2022-27509/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-27509
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-27509
- OSV: https://osv.dev/vulnerability/CVE-2022-27509

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-27509/
Summaries are generated and may contain mistakes; the official description above is the record.