How severe is CVE-2021-42568?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Sonatype Nexus Repository Manager

CVE-2021-42568

Sonatype Nexus Repository Manager 3.x through 3.35.0 allows attackers to access the SSL Certificates Loading function via a low-privileged account.

Published 2021-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Sonatype Nexus Repository Manager

References

support.sonatype.com (Vendor Advisory)
support.sonatype.com/hc/en-us/articles/4408801690515-CVE-2021-42568-Nexus-Repos… (Vendor Advisory)

Frequently asked questions

What is CVE-2021-42568?: CVE-2021-42568 is a medium-severity vulnerability in Sonatype Nexus Repository Manager. CVSS score: 4.3/10. Published 2021-11-02.
How severe is CVE-2021-42568?: Medium severity. CVSS v3 base score is 4.3 out of 10.