CVE-2021-28167

Public Exploit

Description

In Eclipse Openj9 to version 0.25.0, usage of the jdk.internal.reflect.ConstantPool API causes the JVM in some cases to pre-resolve certain constant pool entries. This allows a user to call static methods or access static members without running the class initialization method, and may allow a user to observe uninitialized values.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.89% Top 30%
Third-Party Advisory github.com
Affected: The Eclipse Foundation Eclipse OpenJ9
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-28167?
CVE-2021-28167 has been scored as a medium severity vulnerability.
How to fix CVE-2021-28167?
To fix CVE-2021-28167, 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-2021-28167 being actively exploited in the wild?
It is possible that CVE-2021-28167 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-28167?
CVE-2021-28167 affects The Eclipse Foundation Eclipse OpenJ9.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.