# CVE-2024-8314: Improper session handling in B&R APROL

> An authenticated network attacker can hijack active user sessions in B&R APROL without credentials due to improper session handling.

- **Severity:** Medium 5.5 (`CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 25 Mar 2025
- **Updated:** 25 Mar 2025
- **Also known as:** GHSA-jh98-qr76-24j7

## What is CVE-2024-8314?

CVE-2024-8314 is a medium-severity authentication bypass vulnerability in B&R Industrial Automation GmbH APROL, published on 25 Mar 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

An Incorrect Implementation of Authentication Algorithm and Exposure of Data Element to Wrong Ses-sion vulnerability in the session handling used in B&R APROL <4.4-00P5 may allow an authenticated network attacker to take over a currently active user session without login credentials.

Weakness: CWE-488 (Exposure of Data Element to Wrong Session), CWE-303 (Incorrect Implementation of Authentication Algorithm)

## Which versions are affected by CVE-2024-8314?


## How do I fix CVE-2024-8314?

No fix has been published for CVE-2024-8314 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-8314 being exploited?

There is no known exploitation of CVE-2024-8314 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-8314 and fix it if it is affected.

What it is: CVE-2024-8314 is a medium-severity authentication bypass vulnerability in B&R Industrial Automation GmbH APROL, published on 25 Mar 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-8314 in the wild and no public exploit code.

Affected product: B&R Industrial Automation GmbH APROL. 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-2024-8314/ (Markdown: https://insights.sbomify.com/CVE-2024-8314/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-8314
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-8314
- OSV: https://osv.dev/vulnerability/CVE-2024-8314

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-8314/
Summaries are generated and may contain mistakes; the official description above is the record.