Vulnerability Details CVE-2021-38084
An issue was discovered in the POP3 component of Courier Mail Server before 1.1.5. Meddler-in-the-middle attackers can pipeline commands after the POP3 STLS command, injecting plaintext commands into an encrypted user session.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.5%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 6.8
References
- https://sourceforge.net/p/courier/mailman/courier-imap/thread/cone.1382574216.483027.8082.1000%40monster.email-scan.com/#msg31555583
- https://sourceforge.net/p/courier/mailman/message/37329216/
- https://sourceforge.net/p/courier/mailman/courier-imap/thread/cone.1382574216.483027.8082.1000%40monster.email-scan.com/#msg31555583
- https://sourceforge.net/p/courier/mailman/message/37329216/
Products affected by CVE-2021-38084
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cpe:2.3:a:courier-mta:courier_mail_server:0.72.0
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cpe:2.3:a:courier-mta:courier_mail_server:0.73.0
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cpe:2.3:a:courier-mta:courier_mail_server:0.73.1
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cpe:2.3:a:courier-mta:courier_mail_server:0.73.2
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cpe:2.3:a:courier-mta:courier_mail_server:0.74.0
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cpe:2.3:a:courier-mta:courier_mail_server:0.74.1
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cpe:2.3:a:courier-mta:courier_mail_server:0.74.2
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cpe:2.3:a:courier-mta:courier_mail_server:0.75.0
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cpe:2.3:a:courier-mta:courier_mail_server:0.76.0
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cpe:2.3:a:courier-mta:courier_mail_server:0.76.1
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cpe:2.3:a:courier-mta:courier_mail_server:0.76.2
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cpe:2.3:a:courier-mta:courier_mail_server:0.76.3
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cpe:2.3:a:courier-mta:courier_mail_server:0.76.4
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cpe:2.3:a:courier-mta:courier_mail_server:0.77.0
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cpe:2.3:a:courier-mta:courier_mail_server:0.78.0
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cpe:2.3:a:courier-mta:courier_mail_server:0.78.1
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cpe:2.3:a:courier-mta:courier_mail_server:0.78.2
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cpe:2.3:a:courier-mta:courier_mail_server:0.78.3
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.0
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.1
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.10
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.11
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.12
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.13
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.14
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.15
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.16
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.17
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.2
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.3
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.4
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.5
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.6
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.7
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.8
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cpe:2.3:a:courier-mta:courier_mail_server:1.0.9
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cpe:2.3:a:courier-mta:courier_mail_server:1.1.0
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cpe:2.3:a:courier-mta:courier_mail_server:1.1.1
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cpe:2.3:a:courier-mta:courier_mail_server:1.1.2
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cpe:2.3:a:courier-mta:courier_mail_server:1.1.3
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cpe:2.3:a:courier-mta:courier_mail_server:1.1.4