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CVE-2021-26117— ActiveMQ: LDAP-Authentication does not verify passwords on servers with anonymous bind

Quick assessment

Affected
Apache Software Foundation Apache ActiveMQ
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 ActiveMQ是美国阿帕奇（Apache）基金会的一套开源的消息中间件，它支持Java消息服务、集群、Spring Framework等。 Apache ActiveMQ LDAP login module 存在授权问题漏洞，该漏洞源于匿名上下文用于验证错误的有效用户密码，导致不检查密码。以下产品及版本受到影响：Apache ActiveMQ Artemis prior to version 2.16.0 and Apache ActiveMQ prior to versions 5.16

AI Predicted 8.1 Difficulty: Easy EPSS 11.33% · P96
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I. Basic Information for CVE-2021-26117

Vulnerability Information
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Vulnerability Title
ActiveMQ: LDAP-Authentication does not verify passwords on servers with anonymous bind
Source: CVE Program / CVE List V5
Vulnerability Description
The optional ActiveMQ LDAP login module can be configured to use anonymous access to the LDAP server. In this case, for Apache ActiveMQ Artemis prior to version 2.16.0 and Apache ActiveMQ prior to versions 5.16.1 and 5.15.14, the anonymous context is used to verify a valid users password in error, resulting in no check on the password.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache ActiveMQ 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache ActiveMQ是美国阿帕奇（Apache）基金会的一套开源的消息中间件，它支持Java消息服务、集群、Spring Framework等。 Apache ActiveMQ LDAP login module 存在授权问题漏洞，该漏洞源于匿名上下文用于验证错误的有效用户密码，导致不检查密码。以下产品及版本受到影响：Apache ActiveMQ Artemis prior to version 2.16.0 and Apache ActiveMQ prior to versions 5.16
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 ActiveMQ Apache ActiveMQ Artemis ~ 2.16.0 -

II. Public POCs for CVE-2021-26117

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III. Intelligence Information for CVE-2021-26117

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Vendor Advisories for CVE-2021-26117 (4)

Mailing List Discussions for CVE-2021-26117 (17)

IV. Related Vulnerabilities

Same product: Apache ActiveMQ
Same vendor: Apache Software Foundation
Same weakness: CWE-287

V. Comments for CVE-2021-26117

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