Lucene search

[email protected]CVE-2021-20247

HistoryFeb 23, 2021 - 7:15 p.m.

CVE-2021-20247

2021-02-2319:15:00

CWE-22

[email protected]

web.nvd.nist.gov

149

mbsync

cve-2021-20247

imap

data confidentiality

data integrity

vulnerability

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

7.1 High

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

0.006 Low

EPSS

Percentile

77.9%

JSON

A flaw was found in mbsync before v1.3.5 and v1.4.1. Validations of the mailbox names returned by IMAP LIST/LSUB do not occur allowing a malicious or compromised server to use specially crafted mailbox names containing ‘…’ path components to access data outside the designated mailbox on the opposite end of the synchronization channel. The highest threat from this vulnerability is to data confidentiality and integrity.

VendorProductVersionCPE
mbsync_projectmbsync*cpe:2.3:a:mbsync_project:mbsync:*:*:*:*:*:*:*:*
mbsync_projectmbsync*cpe:2.3:a:mbsync_project:mbsync:*:*:*:*:*:*:*:*