CVE-2021-28170 Information

Description

In the Jakarta Expression Language implementation 3.0.3 and earlier a bug in the ELParserTokenManager enables invalid EL expressions to be evaluated as if they were valid.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Reference

https://github.com/eclipse-ee4j/el-ri/issues/155 https://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/ https://www.oracle.com/security-alerts/cpuapr2022.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.3