# CVE-2024-21917: Rockwell Automation FactoryTalk® Service Platform Service Token Vulnerability

> Attackers can steal service tokens to bypass authentication, allowing unauthorized access to retrieve user information and modify settings in FactoryTalk Service Platform.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 Jan 2024
- **Updated:** 15 Jan 2026
- **Also known as:** GHSA-5rh9-jc57-95mr

## What is CVE-2024-21917?

CVE-2024-21917 is a critical authentication bypass vulnerability in Rockwell Automation FactoryTalk® Service Platform, published on 31 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability exists in Rockwell Automation FactoryTalk® Service Platform that allows a malicious user to obtain the service token and use it for authentication on another FTSP directory. This is due to the lack of digital signing between the FTSP service token and directory.  If exploited, a malicious user could potentially retrieve user information and modify settings without any authentication.

Weakness: CWE-347 (Improper Verification of Cryptographic Signature)

## Which versions are affected by CVE-2024-21917?

It affects 1 product.


Products: Rockwellautomation Factorytalk Services Platform.

## How do I fix CVE-2024-21917?

No fix has been published for CVE-2024-21917 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-21917 being exploited?

There is no known exploitation of CVE-2024-21917 in the wild and no public exploit code.

## Other vulnerabilities in Rockwell Automation FactoryTalk® Service Platform

- [CVE-2021-22681](https://insights.sbomify.com/CVE-2021-22681/): Rockwell Multiple Products Insufficient Protected Credentials (critical 9.8, exploited in the wild)
- [CVE-2020-14516](https://insights.sbomify.com/CVE-2020-14516/): Weak cryptography in Rockwell Automation FactoryTalk Services Platform (critical 10.0)
- [CVE-2020-6967](https://insights.sbomify.com/CVE-2020-6967/): Deserialization in Rockwell Automation All versions of FactoryTalk Diagnostics software, a subsystem of the FactoryTalk Services Platform (critical 9.8)
- [CVE-2024-21915](https://insights.sbomify.com/CVE-2024-21915/): Rockwell Automation FactoryTalk® Service Platform Elevated Privileges Vulnerability Through Web Service Functionality (critical 9.0)
- [CVE-2020-12033](https://insights.sbomify.com/CVE-2020-12033/): Missing authorization in Rockwell Automation FactoryTalk Services Platform (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-21917 and fix it if it is affected.

What it is: CVE-2024-21917 is a critical authentication bypass vulnerability in Rockwell Automation FactoryTalk® Service Platform, published on 31 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-21917 in the wild and no public exploit code.

Affected product: Rockwell Automation FactoryTalk® Service Platform. 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-2024-21917/ (Markdown: https://insights.sbomify.com/CVE-2024-21917/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-21917
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-21917
- OSV: https://osv.dev/vulnerability/CVE-2024-21917

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-21917/
Summaries are generated and may contain mistakes; the official description above is the record.