What is CVE-2021-41558?

CVE-2021-41558 is a critical-severity vulnerability in Set User Project. CVSS score: 9.8/10. Published 2021-09-27.

How severe is CVE-2021-41558?

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

Vulnerability in Set User Project

CVE-2021-41558

The set_user extension module before 3.0.0 for PostgreSQL allows ProcessUtility_hook bypass via set_config.

Published 2021-09-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.9th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Set User Project

References

github.com/pgaudit/set_user/releases/tag/REL3_0_0 (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2021-41558?: CVE-2021-41558 is a critical-severity vulnerability in Set User Project. CVSS score: 9.8/10. Published 2021-09-27.
How severe is CVE-2021-41558?: Critical severity. CVSS v3 base score is 9.8 out of 10.