CVE-2020-29436

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-12-17 · updated 2026-06-17
Weakness: CWE-611

Description

Sonatype Nexus Repository Manager 3.x before 3.29.0 allows a user with admin privileges to configure the system to gain access to content outside of NXRM via an XXE vulnerability. Fixed in version 3.29.0.

Affected products

Sonatype Nexus Repository 3: from 3.0.0 before 3.29.0 — fixed in 3.29.0

How to fix

Upgrade to a fixed version: Sonatype Nexus Repository 3 3.29.0. Check the vendor advisory for mitigations.

References

https://support.sonatype.com/hc/en-us/articles/1500000415082-CVE-2020-29436-Nexus-Repository-Manager-3-XML-External-Entities-injection-2020-12-15
https://support.sonatype.com/hc/en-us/articles/1500000415082-CVE-2020-29436-Nexus-Repository-Manager-3-XML-External-Entities-injection-2020-12-15

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