# CVE-2016-8347: Auth bypass in Kabona AB WDC prior to Version 3.4.0

> Kabona AB WDC lacks rate limiting on authentication attempts, allowing attackers to perform brute force attacks to gain unauthorized access.

- **Severity:** Critical 9.8 (`CVSS:3.0/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:** 13 Feb 2017
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-x2v8-652m-p279

## What is CVE-2016-8347?

CVE-2016-8347 is a critical authentication bypass vulnerability in Kabona AB WDC prior to Version 3.4.0, published on 13 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An issue was discovered in Kabona AB WebDatorCentral (WDC) application prior to Version 3.4.0. WDC does not limit authentication attempts that may allow a brute force attack method.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2016-8347?

It affects 1 product.


Products: Kabona Ab Webdatorcentral.

## How do I fix CVE-2016-8347?

No fix has been published for CVE-2016-8347 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-8347 being exploited?

There is no known exploitation of CVE-2016-8347 in the wild and no public exploit code.

## Other vulnerabilities in Kabona AB WDC prior to Version 3.4.0

- [CVE-2016-8356](https://insights.sbomify.com/CVE-2016-8356/): Cross-site scripting in Kabona AB WDC prior to Version 3.4.0 (high 8.2)
- [CVE-2016-8376](https://insights.sbomify.com/CVE-2016-8376/): Open redirect in Kabona AB WDC Vulnerabilities prior to Version 3.4.0 (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-8347 and fix it if it is affected.

What it is: CVE-2016-8347 is a critical authentication bypass vulnerability in Kabona AB WDC prior to Version 3.4.0, published on 13 Feb 2017. 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-2016-8347 in the wild and no public exploit code.

Affected product: Kabona AB WDC prior to Version 3.4.0. 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-2016-8347/ (Markdown: https://insights.sbomify.com/CVE-2016-8347/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-8347
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-8347
- OSV: https://osv.dev/vulnerability/CVE-2016-8347

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-8347/
Summaries are generated and may contain mistakes; the official description above is the record.