Vulnerability Details CVE-2011-1926
The STARTTLS implementation in Cyrus IMAP Server before 2.4.7 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.049
EPSS Ranking 88.9%
CVSS Severity
CVSS v2 Score 5.1
Products affected by CVE-2011-1926
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cpe:2.3:a:cmu:cyrus_imap_server:2.0.17
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cpe:2.3:a:cmu:cyrus_imap_server:2.1.16
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cpe:2.3:a:cmu:cyrus_imap_server:2.1.17
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cpe:2.3:a:cmu:cyrus_imap_server:2.1.18
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cpe:2.3:a:cmu:cyrus_imap_server:2.2.10
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cpe:2.3:a:cmu:cyrus_imap_server:2.2.11
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cpe:2.3:a:cmu:cyrus_imap_server:2.2.12
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cpe:2.3:a:cmu:cyrus_imap_server:2.2.13
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cpe:2.3:a:cmu:cyrus_imap_server:2.2.13p1
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cpe:2.3:a:cmu:cyrus_imap_server:2.2.8
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cpe:2.3:a:cmu:cyrus_imap_server:2.2.9
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.0
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.1
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.10
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.11
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.12
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.12p1
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.12p2
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.13
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.14
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.15
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.16
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.2
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.3
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.4
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.5
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.6
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.7
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.8
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cpe:2.3:a:cmu:cyrus_imap_server:2.3.9
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cpe:2.3:a:cmu:cyrus_imap_server:2.4.0
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cpe:2.3:a:cmu:cyrus_imap_server:2.4.1
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cpe:2.3:a:cmu:cyrus_imap_server:2.4.2
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cpe:2.3:a:cmu:cyrus_imap_server:2.4.3
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cpe:2.3:a:cmu:cyrus_imap_server:2.4.4
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cpe:2.3:a:cmu:cyrus_imap_server:2.4.5
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cpe:2.3:a:cmu:cyrus_imap_server:2.4.6