What is CVE-2018-20871?

CVE-2018-20871 is a critical-severity vulnerability in Univa Grid Engine, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 9.8/10. Published 2019-07-30.

How severe is CVE-2018-20871?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Univa Grid Engine

CVE-2018-20871

In Univa Grid Engine before 8.6.3, when configured for Docker jobs and execd spooling on root_squash, weak file permissions ("other" write access) occur in certain cases (GE-6890).

Published 2019-07-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.022 (81.6th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Univa Grid Engine — versions 8.6.3

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

www.univa.com/resources/files/Release_Notes_Univa_Grid_Engine_8.6.6.pdf (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-20871?: CVE-2018-20871 is a critical-severity vulnerability in Univa Grid Engine, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 9.8/10. Published 2019-07-30.
How severe is CVE-2018-20871?: Critical severity. CVSS v3 base score is 9.8 out of 10.