GoogleOSV:GHSA-WGJV-9J3Q-JHG8aiosmtpd STARTTLS unencrypted commands injection
5.4 Medium
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.9 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
15.7%
Summary
Servers based on aiosmtpd accept extra unencrypted commands after STARTTLS, treating them as if they came from inside the encrypted connection. This could be exploited by a MitM attack.
References
Related
5.4 Medium
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.9 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
15.7%