What is CVE-2021-29158?

CVE-2021-29158 is a medium-severity vulnerability in Sonatype Nexus Repository Manager, classified under Incorrect Authorization. CVSS score: 4.9/10. Published 2021-04-23.

How severe is CVE-2021-29158?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Auth bypass in Sonatype Nexus Repository Manager

CVE-2021-29158

Sonatype Nexus Repository Manager 3 Pro up to and including 3.30.0 has Incorrect Access Control.

Vulnerability class: Broken Access Control

Published 2021-04-23 · last modified 2026-09-22.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

support.sonatype.com/hc/en-us/categories/201980768-Welcome-to-the-Sonatype-Supp… (Vendor Advisory)
support.sonatype.com/hc/en-us/articles/1500006126462 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29158?: CVE-2021-29158 is a medium-severity vulnerability in Sonatype Nexus Repository Manager, classified under Incorrect Authorization. CVSS score: 4.9/10. Published 2021-04-23.
How severe is CVE-2021-29158?: Medium severity. CVSS v3 base score is 4.9 out of 10.