Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2021-39272

Cleartext Transmission of Sensitive Information

Published: Aug 30, 2021 | Modified: Nov 21, 2024
CVSS 3.x
5.9
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
5.9 MODERATE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-39272
CWEhttps://cwe.mitre.org/data/definitions/319.html

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

Weakness

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

Affected Software

NameVendorStart VersionEnd Version
FetchmailFetchmail*6.4.22 (excluding)
Red Hat Enterprise Linux 8RedHatfetchmail-0:6.4.24-1.el8*
FetchmailUbuntubionic*
FetchmailUbuntuesm-infra/bionic*
FetchmailUbuntuesm-infra/focal*
FetchmailUbuntufocal*
FetchmailUbuntuhirsute*
FetchmailUbuntuimpish*
FetchmailUbuntukinetic*
FetchmailUbuntutrusty*
FetchmailUbuntuupstream*
FetchmailUbuntuxenial*

Potential Mitigations

References

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