CVE-2021-23926— XMLBeans XML Entity Expansion
Quick assessment
Affected
Apache Software Foundation Apache XMLBeans
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache Xmlbeans是美国阿帕奇（Apache）基金会的一款用于支持Java与XMl格式数据进行交互的软件。 Apache Xmlbeans up to version 2.6.0 存在输入验证错误漏洞，该漏洞源于没有设置保护用户免受恶意XML输入伤害所需的属性。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23926
Vulnerability Information
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Vulnerability Title
XMLBeans XML Entity Expansion
Source: CVE Program / CVE List V5
Vulnerability Description
The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from malicious XML input. Vulnerabilities include possibilities for XML Entity Expansion attacks. Affects XMLBeans up to and including v2.6.0.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Xmlbeans 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Xmlbeans是美国阿帕奇（Apache）基金会的一款用于支持Java与XMl格式数据进行交互的软件。 Apache Xmlbeans up to version 2.6.0 存在输入验证错误漏洞，该漏洞源于没有设置保护用户免受恶意XML输入伤害所需的属性。
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 |
|---|---|---|---|---|
| Apache Software Foundation | Apache XMLBeans | Apache XMLBeans ~ 2.6.0 | - |
|
II. Public POCs for CVE-2021-23926
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-23926 (3)
-
https://www.oracle.com/security-alerts/cpuoct2021.html x_refsource_MISC
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https://security.netapp.com/advisory/ntap-20210513-0004/ x_refsource_CONFIRM
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https://www.oracle.com/security-alerts/cpujul2022.html x_refsource_MISC
Mailing List Discussions for CVE-2021-23926 (3)
Other References for CVE-2021-23926 (2)
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https://poi.apache.org/ x_refsource_MISC
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https://issues.apache.org/jira/browse/XMLBEANS-517 x_refsource_MISC
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V. Comments for CVE-2021-23926
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