CVE-2020-10199 is a vulnerability in Sonatype Nexus
Published on April 1, 2020
Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).
Known Exploited Vulnerability
This Nexus Repository Manager 3 Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).
The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2020-10199 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an EL Injection Vulnerability?
The software constructs all or part of an expression language (EL) statement in a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.
CVE-2020-10199 has been classified to as an EL Injection vulnerability or weakness.
Products Associated with CVE-2020-10199
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.