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CVE-2021-21307

Description

Lucee Server is a dynamic, Java based (JSR-223), tag and scripting language used for rapid web application development. In Lucee Admin before versions 5.3.7.47, 5.3.6.68 or 5.3.5.96 there is an unauthenticated remote code exploit. This is fixed in versions 5.3.7.47, 5.3.6.68 or 5.3.5.96. As a workaround, one can block access to the Lucee Administrator. **Recent assessments:** **ccondon-r7** at October 11, 2021 12:42pm UTC reported: This is another of those products I hadn’t ever heard of before we started hearing about compromises. There’s a Metasploit module available here, hence the relatively high exploitability rating: <https://github.com/rapid7/metasploit-framework/pull/15525> Mitigation is to lock down admin access, sensibly: <https://dev.lucee.org/t/lucee-vulnerability-alert-november-2020-cve-2021-21307/7643> Assessed Attacker Value: 5 Assessed Attacker Value: 5Assessed Attacker Value: 4


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