CVE-2020-10199 Sonatype Nexus Repository Remote Code Execution

What is CVE-2020-10199?

CVE-2020-10199 is a high-severity code injection vulnerability in n/a, published on 1 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).

Weakness: CWE-917

Which versions are affected by CVE-2020-10199?

2 open source packages ship an affected version, including org.sonatype.nexus:nexus-extdirect. It affects 1 product.

Products include Sonatype Nexus.

How do I fix CVE-2020-10199?

Upgrade org.sonatype.nexus:nexus-extdirect to 3.21.2 or later. US federal agencies must fix it by 3 May 2022.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2020-10199 being exploited?

Yes. Attackers have exploited CVE-2020-10199 in the wild since at least 3 Nov 2021.

Public exploit code: 1 Metasploit module, 2 Exploit-DB entries, 1 Nuclei template and 7 proofs of concept on GitHub.

Other vulnerabilities in n/a

• CVE-2020-11444 Missing authorization in n/a High 8.8
• CVE-2014-9389 Path traversal in n/a High 7.5
• CVE-2014-2034 Auth bypass in n/a High 7.5
• CVE-2014-0792 Deserialization in n/a High 7.5
• CVE-2020-10204 Remote Code Execution - JavaEL Injection (low privileged accounts) in Nexus Repository Manager High 7.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-g2f6-v5qh-h2mq.