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    CVE-2021-21307

    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.

    Published:Feb 11, 2021
    Last Modified:Nov 21, 2024
    EPS:Feb 11, 2021
    EPSS Score:0.92213
    CVSS Score:8.6

    Affected Products

    Vendor
    Lucee
    Product
    Lucee Server

    Exploits

    http://packetstormsecurity.com/files/163864/Lucee-Administrator-imgProcess.cfm-Arbitrary-File-Write.htmlhttps://github.com/httpvoid/writeups/blob/main/Apple-RCE.mdhttp://packetstormsecurity.com/files/163864/Lucee-Administrator-imgProcess.cfm-Arbitrary-File-Write.htmlhttps://github.com/httpvoid/writeups/blob/main/Apple-RCE.md

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    References

    http://ciacfug.org/blog/updating-lucee-as-part-of-a-vulnerability-alert-response
    http://packetstormsecurity.com/files/163864/Lucee-Administrator-imgProcess.cfm-Arbitrary-File-Write.html
    https://dev.lucee.org/t/lucee-vulnerability-alert-november-2020/7643
    https://github.com/httpvoid/writeups/blob/main/Apple-RCE.md
    https://github.com/lucee/Lucee/commit/6208ab7c44c61d26c79e0b0af10382899f57e1ca
    https://github.com/lucee/Lucee/security/advisories/GHSA-2xvv-723c-8p7r
    https://portswigger.net/daily-swig/security-researchers-earn-50k-after-exposing-critical-flaw-in-apple-travel-portal
    http://ciacfug.org/blog/updating-lucee-as-part-of-a-vulnerability-alert-response
    http://packetstormsecurity.com/files/163864/Lucee-Administrator-imgProcess.cfm-Arbitrary-File-Write.html
    https://dev.lucee.org/t/lucee-vulnerability-alert-november-2020/7643
    https://github.com/httpvoid/writeups/blob/main/Apple-RCE.md
    https://github.com/lucee/Lucee/commit/6208ab7c44c61d26c79e0b0af10382899f57e1ca
    https://github.com/lucee/Lucee/security/advisories/GHSA-2xvv-723c-8p7r
    https://portswigger.net/daily-swig/security-researchers-earn-50k-after-exposing-critical-flaw-in-apple-travel-portal

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High