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CVE-2021-28167

Quick assessment

Affected
The Eclipse Foundation Eclipse OpenJ9
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Eclipse OpenJ9是Eclipse基金会的一款Java应用程序引擎。该产品主要用于运行Java应用程序。 Eclipse Openj9 0.25版本存在安全漏洞，该漏洞源于jdk.internal.reflect.ConstantPool API会导致JVM在某些情况下预先解析某些常量池项。这允许用户在不运行类初始化方法的情况下调用静态方法或访问静态成员，并允许用户观察未初始化的值。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.13% · P65

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-28167

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
资源初始化缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse OpenJ9 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse OpenJ9是Eclipse基金会的一款Java应用程序引擎。该产品主要用于运行Java应用程序。 Eclipse Openj9 0.25版本存在安全漏洞，该漏洞源于jdk.internal.reflect.ConstantPool API会导致JVM在某些情况下预先解析某些常量池项。这允许用户在不运行类初始化方法的情况下调用静态方法或访问静态成员，并允许用户观察未初始化的值。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
The Eclipse Foundation Eclipse OpenJ9 unspecified ~ 0.25.0 -

II. Public POCs for CVE-2021-28167

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III. Intelligence Information for CVE-2021-28167

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Vendor Advisories for CVE-2021-28167 (1)

Other References for CVE-2021-28167 (1)

IV. Related Vulnerabilities

Same product: Eclipse OpenJ9
Same vendor: The Eclipse Foundation
Same weakness: CWE-909

V. Comments for CVE-2021-28167

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