CVE Vulnerability

CVE-2021-38084

An issue was discovered in the POP3 component of Courier Mail Server before 1.1.5. Meddler-in-the-middle attackers can pipeline commands after the POP3 STLS command, injecting plaintext commands into an encrypted user session.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://sourceforge.net/p/courier/mailman/message/37329216/ Third Party Advisory
https://sourceforge.net/p/courier/mailman/courier-imap/thread/cone.1382574216.483027.8082.1000%40monster.email-scan.com/#msg31555583 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:courier-mta:courier_mail_server:*:*:*:*:*:*:*:*
Information

Published : 2021-08-03 10:15

Updated : 2021-09-09 05:18

NVD link : CVE-2021-38084

Mitre link : CVE-2021-38084

Products Affected
No products.
CWE
CWE-74