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CVE-2021-30129— DoS/OOM leak vulnerability in Apache Mina SSHD Server

Quick assessment

Affected
Apache Software Foundation Apache Mina SSHD
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.

Apache MINA是美国阿帕奇（Apache）基金会的一款网络应用程序框架。该产品主要用于开发高性能和高可伸缩性的网络应用程序。 Apache MINA 存在安全漏洞，该漏洞源于Apache Mina SSHD的SSHD -core存在漏洞。攻击者可利用该漏洞使服务器溢出，从而导致内存不足错误。

AI Predicted 5.3 Difficulty: Easy EPSS 3.05% · P87

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-30129

Vulnerability Information
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Vulnerability Title
DoS/OOM leak vulnerability in Apache Mina SSHD Server
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in sshd-core of Apache Mina SSHD allows an attacker to overflow the server causing an OutOfMemory error. This issue affects the SFTP and port forwarding features of Apache Mina SSHD version 2.0.0 and later versions. It was addressed in Apache Mina SSHD 2.7.0
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 MINA 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache MINA是美国阿帕奇（Apache）基金会的一款网络应用程序框架。该产品主要用于开发高性能和高可伸缩性的网络应用程序。 Apache MINA 存在安全漏洞，该漏洞源于Apache Mina SSHD的SSHD -core存在漏洞。攻击者可利用该漏洞使服务器溢出，从而导致内存不足错误。
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 Mina SSHD 2.0.0 ~ Apache Mina SSHD* -

II. Public POCs for CVE-2021-30129

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III. Intelligence Information for CVE-2021-30129

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Vendor Advisories for CVE-2021-30129 (2)

Mailing List Discussions for CVE-2021-30129 (3)

Same Patch Batch · Apache Software Foundation · 2021-07-12 · 4 CVEs total

CVE-2021-33037 Incorrect Transfer-Encoding handling with HTTP/1.0
CVE-2021-30640 Auth weakness in JNDIRealm
CVE-2021-30639 DoS after non-blocking IO error

IV. Related Vulnerabilities

Same product: Apache Mina SSHD
Same vendor: Apache Software Foundation

V. Comments for CVE-2021-30129

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