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CVE-2021-38542— Apache James vulnerable to STARTTLS command injection (IMAP and POP3)

Quick assessment

Affected
Apache Software Foundation Apache James
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 James是美国阿帕奇（Apache）基金会的一个完全用 Java 编写的开源 Smtp 和 Pop3 邮件传输代理和 Nntp 新闻服务器。 Apache James 3.6.1存在加密问题漏洞，攻击者可利用该漏洞执行中间人命令注入攻击，导致敏感信息泄漏。

AI Predicted 7.5 Difficulty: Moderate EPSS 2.35% · P82

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-38542

Vulnerability Information
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Vulnerability Title
Apache James vulnerable to STARTTLS command injection (IMAP and POP3)
Source: CVE Program / CVE List V5
Vulnerability Description
Apache James prior to release 3.6.1 is vulnerable to a buffering attack relying on the use of the STARTTLS command. This can result in Man-in -the-middle command injection attacks, leading potentially to leakage of sensible information.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache James 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache James是美国阿帕奇（Apache）基金会的一个完全用 Java 编写的开源 Smtp 和 Pop3 邮件传输代理和 Nntp 新闻服务器。 Apache James 3.6.1存在加密问题漏洞，攻击者可利用该漏洞执行中间人命令注入攻击，导致敏感信息泄漏。
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 James Apache James ~ 3.6.1 -

II. Public POCs for CVE-2021-38542

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III. Intelligence Information for CVE-2021-38542

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Mailing List Discussions for CVE-2021-38542 (1)

Same Patch Batch · Apache Software Foundation · 2022-01-04 · 5 CVEs total

CVE-2021-34797 Apache Geode project log file redaction of sensitive information vulnerability
CVE-2021-40110 Apache James IMAP vulnerable to a ReDoS
CVE-2021-40111 Apache James IMAP parsing Denial Of Service
CVE-2021-40525 Sieve file storage vulnerable to path traversal attacks

IV. Related Vulnerabilities

Same product: Apache James
Same vendor: Apache Software Foundation
Same weakness: CWE-77

V. Comments for CVE-2021-38542

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