CVE-2021-39272

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

Session fixation

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

CVE-2021-39272

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

CVE-2021-39272

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

CVE-2021-39272

Fetchmail prior to version 6.4.22 is vulnerable to STARTTLS encryption bypass in certain IMAP/PREAUTH scenarios. Multiple sources (Alpine Linux, Debian security tracker, CVE listing, and related advisories) confirm that upgrading to 6.4.22 or newer resolves this issue. The affected package is fet...

CVE-2021-39272

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

CVE-2021-39272

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

CVE-2021-39272

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

CVE-2021-39272

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

PT-2021-22500

Name of the Vulnerable Software and Affected Versions Fetchmail versions prior to 6.4.22 Description The issue is related to Fetchmail's failure to enforce STARTTLS session encryption under certain circumstances, such as with IMAP and PREAUTH. Recommendations For versions prior to 6.4.22, update ...

CVE-2021-39272: Cleartext Transmission of Sensitive Information

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

FreeBSD : fetchmail -- STARTTLS bypass vulnerabilities (1d6410e8-06c1-11ec-a35d-03ca114d16d6)

Problem : In certain circumstances, fetchmail 6.4.21 and older would not encrypt the session using STARTTLS/STLS, and might not have cleared session state across the TLS negotiation. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were...

Ruby Net::IMAP Man-in-the-Middle

The vulnerability in the implementation of the Net::IMAP class in the Ruby interpreter is related to errors in the process of verifying the authenticity of certificates when processing the STARTTLS command. Exploiting this vulnerability could allow a remote attacker to execute a “man-in-the-middl...

Mozilla Thunderbird Command Injection Vulnerability

Mozilla Thunderbird is an open source email client. A command injection vulnerability exists in the Mozilla Thunderbird product, which stems from a problem in the way Thunderbird handles IMAP server responses sent prior to the STARTTLS process. An attacker could exploit this vulnerability to send...

CVE-2021-38373

In KDE KMail 19.12.3 aka 5.13.3, the SMTP STARTTLS option is not honored and cleartext messages are sent unless "Server requires authentication" is checked...

CVE-2020-15955

In s/qmail through 4.0.07, an active MitM can inject arbitrary plaintext commands into a STARTTLS encrypted session between an SMTP client and s/qmail. This allows e-mail messages and user credentials to be sent to the MitM attacker...

CVE-2020-15955

In s/qmail through 4.0.07, an active MitM can inject arbitrary plaintext commands into a STARTTLS encrypted session between an SMTP client and s/qmail. This allows e-mail messages and user credentials to be sent to the MitM attacker...

Command injection

In s/qmail through 4.0.07, an active MitM can inject arbitrary plaintext commands into a STARTTLS encrypted session between an SMTP client and s/qmail. This allows e-mail messages and user credentials to be sent to the MitM attacker...

CVE-2020-15955

The CVE-2020-15955 issue affects s/qmail up to version 4.0.07, where an active MitM can inject arbitrary plaintext commands into a STARTTLS session between an SMTP client and s/qmail. This allows e-mail messages and user credentials to be sent to the attacker. The root cause is the ability to tam...

CVE-2020-15955

In s/qmail through 4.0.07, an active MitM can inject arbitrary plaintext commands into a STARTTLS encrypted session between an SMTP client and s/qmail. This allows e-mail messages and user credentials to be sent to the MitM attacker...