CVE-2021-28170

Public Exploit

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.

Categories

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory oracle.com
Affected: The Eclipse Foundation Jakarta Expression Language Implementation
Published at:
Updated at:

References

Link Tags
https://github.com/eclipse-ee4j/el-ri/issues/155 issue tracking exploit third party advisory
https://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/ third party advisory exploit
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-28170?
CVE-2021-28170 has been scored as a medium severity vulnerability.
How to fix CVE-2021-28170?
To fix CVE-2021-28170, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-28170 being actively exploited in the wild?
It is possible that CVE-2021-28170 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-28170?
CVE-2021-28170 affects The Eclipse Foundation Jakarta Expression Language Implementation.
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