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

Removed by vendor...

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...

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",...

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",...