CVE Vulnerability

CVE-2020-24386

An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.8 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://dovecot.org/security Vendor Advisory
https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/01/04/4 Mailing List Third Party Advisory
https://doc.dovecot.org/configuration_manual/hibernation/ Vendor Advisory
https://www.debian.org/security/2021/dsa-4825 Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jan/18 Mailing List Third Party Advisory
http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202101-01 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/ Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Information

Published : 2021-01-04 05:15

Updated : 2022-09-02 03:45

NVD link : CVE-2020-24386

Mitre link : CVE-2020-24386

Products Affected
No products.
CWE
NVD-CWE-Other