Your submission was sent successfully! Close

You have successfully unsubscribed! Close

CVE-2021-39272

Publication date 30 August 2021

Last updated 24 July 2024

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

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

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
fetchmail	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Ignored
	22.04 LTS jammy	Vulnerable
	21.10 impish	Ignored
	21.04 hirsute	Ignored
	20.04 LTS focal	Vulnerable
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Not in release

Notes

sbeattie

when backporting, upstream is asking to make sure we update documentation covering the fixes as well

mdeslaur

only an issue with IMAP PREAUTH sessions and STARTTLS. It is recommended to switch to implicit TLS

Severity score breakdown

Parameter	Value
Base score	5.9 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Other references