Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lucee | Lucee Server | >= 5.3.5.00, < 5.3.5.96 |
Related Weaknesses (CWE)
References
- http://ciacfug.org/blog/updating-lucee-as-part-of-a-vulnerability-alert-responsePatchThird Party Advisory
- http://packetstormsecurity.com/files/163864/Lucee-Administrator-imgProcess.cfm-AExploitThird Party AdvisoryVDB Entry
- https://dev.lucee.org/t/lucee-vulnerability-alert-november-2020/7643Vendor Advisory
- https://github.com/httpvoid/writeups/blob/main/Apple-RCE.mdExploitThird Party Advisory
- https://github.com/lucee/Lucee/commit/6208ab7c44c61d26c79e0b0af10382899f57e1caPatchThird Party Advisory
- https://github.com/lucee/Lucee/security/advisories/GHSA-2xvv-723c-8p7rProduct
- https://portswigger.net/daily-swig/security-researchers-earn-50k-after-exposing-Press/Media CoverageThird Party Advisory
- http://ciacfug.org/blog/updating-lucee-as-part-of-a-vulnerability-alert-responsePatchThird Party Advisory
- http://packetstormsecurity.com/files/163864/Lucee-Administrator-imgProcess.cfm-AExploitThird Party AdvisoryVDB Entry
- https://dev.lucee.org/t/lucee-vulnerability-alert-november-2020/7643Vendor Advisory
- https://github.com/httpvoid/writeups/blob/main/Apple-RCE.mdExploitThird Party Advisory
- https://github.com/lucee/Lucee/commit/6208ab7c44c61d26c79e0b0af10382899f57e1caPatchThird Party Advisory
- https://github.com/lucee/Lucee/security/advisories/GHSA-2xvv-723c-8p7rProduct
- https://portswigger.net/daily-swig/security-researchers-earn-50k-after-exposing-Press/Media CoverageThird Party Advisory
FAQ
What is CVE-2021-21307?
CVE-2021-21307 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 unauth...
How severe is CVE-2021-21307?
CVE-2021-21307 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21307?
Check the references section above for vendor advisories and patch information. Affected products include: Lucee Lucee Server.