CVE-2021-30640— Auth weakness in JNDIRealm
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I. Basic Information for CVE-2021-30640
Vulnerability Information
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Vulnerability Title
Auth weakness in JNDIRealm
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Tomcat 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Tomcat是美国阿帕奇（Apache）基金会的一款轻量级Web应用服务器。该程序实现了对Servlet和JavaServer Page（JSP）的支持。 Apache Tomcat存在授权问题漏洞，该漏洞源于Apache Tomcat 的 JNDI 领域中的一个漏洞允许攻击者使用有效用户名的变体进行身份验证和/或绕过锁定领域提供的某些保护。
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 Tomcat | Apache Tomcat 10 10.0.0-M1 to 10.0.5 | - |
II. Public POCs for CVE-2021-30640
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|---|
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- https://security.netapp.com/advisory/ntap-20210827-0007/x_refsource_CONFIRM
- https://www.oracle.com/security-alerts/cpujan2022.htmlx_refsource_MISC
- https://www.oracle.com/security-alerts/cpuoct2021.htmlx_refsource_MISC
- https://www.oracle.com//security-alerts/cpujul2021.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-30640
Same Patch Batch · Apache Software Foundation · 2021-07-12 · 4 CVEs total
| CVE-2021-33037 | Incorrect Transfer-Encoding handling with HTTP/1.0 | |
| CVE-2021-30639 | DoS after non-blocking IO error | |
| CVE-2021-30129 | DoS/OOM leak vulnerability in Apache Mina SSHD Server |
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Same vendor: Apache Software Foundation
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