Auth bypass in Sonatype Nexus Repository Manager 3

CVE-2020-11753

An issue was discovered in Sonatype Nexus Repository Manager in versions 3.21.1 and 3.22.0. It is possible for a user with appropriate privileges to create, modify, and execute scripting tasks without use of the UI or API. NOTE: in 3.22.0, scripting is disabled by default (making this not exploitable).

Vulnerability class: Broken Access Control

EPSS: 0.017 (75.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-11753?
CVE-2020-11753 is a high-severity vulnerability in Sonatype Nexus Repository Manager 3, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2020-04-20.
How severe is CVE-2020-11753?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-11753 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.