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Improper Input Validation in Jakarta Expression Language

Moderate severity GitHub Reviewed Published Oct 6, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

maven com.sun.el:el-ri (Maven)

Affected versions

< 3.0.4

Patched versions

3.0.4

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.

References

Published by the National Vulnerability Database May 26, 2021
Reviewed Oct 6, 2021
Published to the GitHub Advisory Database Oct 6, 2021
Last updated Feb 1, 2023

Severity

Moderate
5.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weaknesses

CVE ID

CVE-2021-28170

GHSA ID

GHSA-v6w3-2prq-h95f

Source code

Checking history
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