What is CVE-2017-16933?

CVE-2017-16933 is a high-severity vulnerability in Icinga, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.0/10. Published 2017-11-24.

How severe is CVE-2017-16933?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Icinga

CVE-2017-16933

etc/initsystem/prepare-dirs in Icinga 2.x through 2.8.1 has a chown call for a filename in a user-writable directory, which allows local users to gain privileges by leveraging access to the $ICINGA2_USER account for creation of a link.

Published 2017-11-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (20.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Icinga

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

github.com/Icinga/icinga2/issues/5793 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-16933?: CVE-2017-16933 is a high-severity vulnerability in Icinga, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.0/10. Published 2017-11-24.
How severe is CVE-2017-16933?: High severity. CVSS v3 base score is 7.0 out of 10.