CVE-2021-37845

An issue was discovered in Citadel through webcit-932. A meddler-in-the-middle attacker can fixate their own session during the cleartext phase before a STARTTLS command a violation of "The STARTTLS command is only valid in non-authenticated state." in RFC2595. This potentially allows an attacker...

Command injection

An issue was discovered in Citadel through webcit-932. A meddler-in-the-middle attacker can fixate their own session during the cleartext phase before a STARTTLS command a violation of "The STARTTLS command is only valid in non-authenticated state." in RFC2595. This potentially allows an attacker...

CVE-2021-37845

CVE-2021-37845 affects Citadel (webcit-932). A MITM attacker can fixate a session in the cleartext phase before STARTTLS, violating RFC2595, potentially causing a victim’s e‑mail messages to be stored in the attacker’s IMAP mailbox, depending on the victim client behavior. The available documents...

CVE-2021-37845

Removed by vendor...

IMAP Service STARTTLS Command Support

The remote IMAP service supports the use of the 'STARTTLS' command to switch from a cleartext to an encrypted communications channel. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid42085; scriptversion"1.9"; scriptsetattributeattribute:"pluginmodificationdate",...

POP3 Service STLS Command Support

The remote POP3 service supports the use of the 'STLS' command to switch from a cleartext to an encrypted communications channel. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid42087; scriptversion"1.13"; scriptsetattributeattribute:"pluginmodificationdate",...