What is CVE-2019-9629?

CVE-2019-9629 is a critical-severity vulnerability in Sonatype Nexus Repository Manager, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-07-08.

How severe is CVE-2019-9629?

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

Auth bypass in Sonatype Nexus Repository Manager

CVE-2019-9629

Sonatype Nexus Repository Manager before 3.17.0 establishes a default administrator user with weak defaults (fixed credentials).

Vulnerability class: Broken Authentication

Published 2019-07-08 · 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: 0.015 (72.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Sonatype Nexus Repository Manager

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.twistlock.com/labs-blog/vulnerabilities-nexus-repository-left-thousands-art… (Third Party Advisory)

Frequently asked questions

What is CVE-2019-9629?: CVE-2019-9629 is a critical-severity vulnerability in Sonatype Nexus Repository Manager, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-07-08.
How severe is CVE-2019-9629?: Critical severity. CVSS v3 base score is 9.8 out of 10.