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.
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.tenable.com/blog/oracle-april-2022-critical-patch-update-addresses-221-cves
https://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/
https://github.com/eclipse-ee4j/el-ri/issues/155
Source: Mitre, NVD
Published: 2021-05-26
Updated: 2024-11-21
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.00076