CVE-2021-28170: Improper Input Validation

October 6, 2021

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.

References

github.com/advisories/GHSA-v6w3-2prq-h95f
github.com/eclipse-ee4j/el-ri/issues/155
github.com/eclipse-ee4j/el-ri/pull/160/commits/b6a3943ac5fba71cbc6719f092e319caa747855b
nvd.nist.gov/vuln/detail/CVE-2021-28170
securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/

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