Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-39181

OpenOlat is a web-based learning management system (LMS). Prior to version 15.3.18, 15.5.3, and 16.0.0, using a prepared import XML file (e.g. a course) any class on the Java classpath can be instantiated, including spring AOP bean factories. This can be used to execute code arbitrary code by the attacker. The attack requires an OpenOlat user account with the authoring role. It can not be exploited by unregistered users. The problem is fixed in versions 15.3.18, 15.5.3, and 16.0.0. There are no known workarounds aside from upgrading.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 66.6%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.5
Products affected by CVE-2021-39181


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