CVE-2021-20247CWE-20

A flaw was found in mbsync before v1.3.5 and v1.4.1

published February 23, 2021

CVSS
—
EPSS
2%
Percentile
79.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01880 · 79.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2021-02-23T18:45Z
EPSS history
Timeline
  • 23 FEB 18:45Z
    A flaw was found in mbsync before v1.3.5 and v1.4.1
    cvelistv5