#VU66288 Improper access control in Microsoft Exchange Server - CVE-2022-21979

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Main Vulnerability Database Vulnerabilities #VU66288

#VU66288 Improper access control in Microsoft Exchange Server - CVE-2022-21979

Published: August 9, 2022


Vulnerability identifier: #VU66288
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-21979
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Microsoft Exchange Server
Software vendor:
Microsoft

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and read targeted email messages.


Remediation

Install updates from vendor's website.

External links