CVEvulnerability
CVE-2021-21307
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-02-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-862
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.
Affected configurations
• lucee lucee server (>= 5.3.5.00 < 5.3.5.96)
• lucee lucee server (>= 5.3.6.00 < 5.3.6.68)
• lucee lucee server (>= 5.3.7.00 < 5.3.7.47)
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- http://ciacfug.org/blog/updating-lucee-as-part-of-a-vulnerability-alert-response Patch, Third Party Advisory
- http://packetstormsecurity.com/files/163864/Lucee-Administrator-imgProcess.cfm-Arbitrary-File-Write.html Exploit, Third Party Advisory, VDB Entry
- https://dev.lucee.org/t/lucee-vulnerability-alert-november-2020/7643 Vendor Advisory
- https://github.com/httpvoid/writeups/blob/main/Apple-RCE.md Exploit, Third Party Advisory
- https://github.com/lucee/Lucee/commit/6208ab7c44c61d26c79e0b0af10382899f57e1ca Patch, Third Party Advisory
- https://github.com/lucee/Lucee/security/advisories/GHSA-2xvv-723c-8p7r Product
- https://portswigger.net/daily-swig/security-researchers-earn-50k-after-exposing-critical-flaw-in-apple-travel-portal Press/Media Coverage, Third Party Advisory
- http://ciacfug.org/blog/updating-lucee-as-part-of-a-vulnerability-alert-response Patch, Third Party Advisory
- http://packetstormsecurity.com/files/163864/Lucee-Administrator-imgProcess.cfm-Arbitrary-File-Write.html Exploit, Third Party Advisory, VDB Entry
- https://dev.lucee.org/t/lucee-vulnerability-alert-november-2020/7643 Vendor Advisory
- https://github.com/httpvoid/writeups/blob/main/Apple-RCE.md Exploit, Third Party Advisory
- https://github.com/lucee/Lucee/commit/6208ab7c44c61d26c79e0b0af10382899f57e1ca Patch, Third Party Advisory
- https://github.com/lucee/Lucee/security/advisories/GHSA-2xvv-723c-8p7r Product
- https://portswigger.net/daily-swig/security-researchers-earn-50k-after-exposing-critical-flaw-in-apple-travel-portal Press/Media Coverage, Third Party Advisory