PatchTheCVECVE-2014-8994: The check_diskio plugin 3.2.6 and earlier for Nagios and Icinga allows local users to write to arbitrary files
CVE-2014-8994 is a low-severity flaw (CVSS 3.6) affecting check diskio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The check_diskio plugin 3.2.6 and earlier for Nagios and Icinga allows local users to write to arbitrary files via a symlink attack on a temporary file with a predictable name (tmp/check_diskio_status-*-*).
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.6 (Low) |
| EPSS exploit chance | 0.3% (top 74%) |
| CISA exploited list | No |
| Weakness | CWE-18 |
| Published | 2014-11-28 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2014-8994?
check diskio: upgrade to newer than 3.2.5. Exact commands for each OS are on this page.
Is CVE-2014-8994 being exploited?
CVE-2014-8994 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2014-8994 affect?
CVE-2014-8994 affects check diskio. Severity is low (CVSS 3.6). The check_diskio plugin 3.2.6 and earlier for Nagios and Icinga allows local users to write to arbitrary files via a symlink attack on a temporary file with a predictable name (tmp/check_diskio_status-*-*).
How urgent is CVE-2014-8994?
Priority 19/100. No elevated risk signals yet.