How severe is CVE-2018-16281?

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

Vulnerability in Deiser Profields-Project Custom Fields

CVE-2018-16281

The DEISER "Profields - Project Custom Fields" app before 6.0.2 for Jira has Incorrect Access Control.

Published 2018-09-21 · 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: 0.012 (66.9th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Deiser Profields-Project Custom Fields

References

marketplace.atlassian.com/apps/1210816/profields-project-custom-fields/version-… (Patch, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-16281?: CVE-2018-16281 is a critical-severity vulnerability in Deiser Profields-Project Custom Fields. CVSS score: 9.8/10. Published 2018-09-21.
How severe is CVE-2018-16281?: Critical severity. CVSS v3 base score is 9.8 out of 10.