# CVE-2017-14955: Race condition in n/a

> Remote attackers can obtain sensitive user information by exploiting a race condition in the failed-login save feature to read GUI crash reports.

- **Severity:** Medium 5.9 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 1 Oct 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-8qhg-c9h2-g6rj, UBUNTU-CVE-2017-14955

## What is CVE-2017-14955?

CVE-2017-14955 is a medium-severity vulnerability in Checkmk Checkmk, published on 1 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Check_MK before 1.2.8p26 mishandles certain errors within the failed-login save feature because of a race condition, which allows remote attackers to obtain sensitive user information by reading a GUI crash report.

Weakness: CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2017-14955?

It affects 1 product.


Products: Checkmk Checkmk.

## How do I fix CVE-2017-14955?

Upgrade to a fixed version.

## Is CVE-2017-14955 being exploited?

There is no known exploitation of CVE-2017-14955 in the wild and no public exploit code.

Public exploit code:

- Check_MK 1.2.8p25 - Information Disclosure (exploitdb)

## Other vulnerabilities in Checkmk Checkmk

- [CVE-2025-39666](https://insights.sbomify.com/CVE-2025-39666/): omd: Local privilege escalation when executing omd commands as root (critical 9.3)
- [CVE-2024-8606](https://insights.sbomify.com/CVE-2024-8606/): Fix 2FA bypass via RestAPI (critical 9.2)
- [CVE-2022-46836](https://insights.sbomify.com/CVE-2022-46836/): PHP code injection in watolib (critical 9.1)
- [CVE-2025-32919](https://insights.sbomify.com/CVE-2025-32919/): Privilege Escalation in Windows License plugin for Checkmk Windows Agent (high 8.8)
- [CVE-2024-28827](https://insights.sbomify.com/CVE-2024-28827/): Privilege escalation in Windows agent (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-14955 and fix it if it is affected.

What it is: CVE-2017-14955 is a medium-severity vulnerability in Checkmk Checkmk, published on 1 Oct 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-2017-14955 in the wild and no public exploit code.

Affected product: Checkmk Checkmk. 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-2017-14955/ (Markdown: https://insights.sbomify.com/CVE-2017-14955/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-14955
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-14955
- OSV: https://osv.dev/vulnerability/CVE-2017-14955

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-14955/
Summaries are generated and may contain mistakes; the official description above is the record.