Remote Code Exploit in Lucee Admin
CVE-2021-21307

8.6HIGH

Key Information:

Vendor

Lucee

Status
Vendor
CVE Published:
11 February 2021

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC๐ŸŸฃ EPSS 92%

What is 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.

Affected Version(s)

Lucee >= 5.3.5.0, < 5.3.5.96 < 5.3.5.0, 5.3.5.96

Lucee >= 5.3.6.0, < 5.3.6.68 < 5.3.6.0, 5.3.6.68

Lucee >= 5.3.7.0, < 5.3.7.47 < 5.3.7.0, 5.3.7.47

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

EPSS Score

92% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.