Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | Jakarta Expression Language | <= 3.0.3 |
| Quarkus | Quarkus | < 2.3.0 |
| Oracle | Communications Cloud Native Core Policy | 1.14.0 |
| Oracle | Weblogic Server | 14.1.1.0.0 |
Related Weaknesses (CWE)
References
- https://github.com/eclipse-ee4j/el-ri/issues/155ExploitIssue TrackingThird Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/ExploitThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
- https://github.com/eclipse-ee4j/el-ri/issues/155ExploitIssue TrackingThird Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/ExploitThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
FAQ
What is CVE-2021-28170?
CVE-2021-28170 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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.
How severe is CVE-2021-28170?
CVE-2021-28170 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-28170?
Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Jakarta Expression Language, Quarkus Quarkus, Oracle Communications Cloud Native Core Policy, Oracle Weblogic Server.