Unscored severity · published Mar 16, 2011
CVE-2011-0411
The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 does not properly restrict I/O buffering, which allows…
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CVSS
16.3%
EPSS
No
On KEV
Description
The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack.
Exploitation
Is it being used?
Exploit prediction (EPSS)16.3% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
Postfix · Postfix
2.4; 2.4.0; 2.4.1; 2.4.2; 2.4.3; 2.4.4; +34 more · source: NVD
Affected product
PO
Postfix
Postfix
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