Vulnerability CVE-2021-39272
Published: 2021-08-30

Description:
Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH.

Type:

CWE-326

 (Inadequate Encryption Strength)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Fetchmail -> Fetchmail 

 References:
https://nostarttls.secvuln.info/
http://www.openwall.com/lists/oss-security/2021/08/27/3
https://www.fetchmail.info/security.html
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