CVE Vulnerabilities

CVE-2023-27821

Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

Published: Mar 28, 2023 | Modified: Apr 01, 2023
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

Databasir v1.0.7 was discovered to contain a remote code execution (RCE) vulnerability via the mockDataScript parameter.

Weakness

The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.

Affected Software

Name Vendor Start Version End Version
Databasir Databasir 1.0.7 1.0.7

Potential Mitigations

  • If user-controlled data must be added to an expression interpreter, one or more of the following should be performed:

References