What is CVE-2017-18925?

CVE-2017-18925 is a medium-severity vulnerability in Openr Opentmpfiles, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2020-10-26.

How severe is CVE-2017-18925?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Openr Opentmpfiles

CVE-2017-18925

opentmpfiles through 0.3.1 allows local users to take ownership of arbitrary files because d entries are mishandled and allow a symlink attack.

Published 2020-10-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Openr Opentmpfiles

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

github.com/OpenRC/opentmpfiles/issues/4 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-18925?: CVE-2017-18925 is a medium-severity vulnerability in Openr Opentmpfiles, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2020-10-26.
How severe is CVE-2017-18925?: Medium severity. CVSS v3 base score is 5.5 out of 10.