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).

Sonatype Nexus Repository Manager 2.x before 2.14.15 and 3.x before 3.19, and IQ Server before 72, has remote code execution.

Sonatype Nexus Repository Manager 2.x before 2.14.15 allows Remote Code Execution.

The Nexus Yum Repository Plugin in v2 is vulnerable to Remote Code Execution when instances using CommandLineExecutor.java are supplied vulnerable data, such as the Yum Configuration Capability.

There is an OS Command Injection in Nexus Repository Manager <= 2.14.14 (bypass CVE-2019-5475) that could allow an attacker a Remote Code Execution (RCE). All instances using CommandLineExecutor.java with user-supplied data is vulnerable, such as the Yum Configuration Capability.

In Nexus Repository Manager before 3.18.0, users with elevated privileges can create stored XSS.

Sonatype Nexus Repository Manager before 3.17.0 has a weak default of giving any unauthenticated user read permissions on the repository files and images.

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

Sonatype Nexus Repository Manager 2.x before 2.14.13 allows XSS.

Sonatype Nexus Repository Manager before 3.14 allows XSS.