CVE Vulnerabilities

CVE-2021-33766

Improper Authentication

Published: Jul 14, 2021 | Modified: Dec 28, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

Microsoft Exchange Server Information Disclosure Vulnerability

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

Name Vendor Start Version End Version
Exchange_server Microsoft 2013-cumulative_update_23 (including) 2013-cumulative_update_23 (including)
Exchange_server Microsoft 2016-cumulative_update_19 (including) 2016-cumulative_update_19 (including)
Exchange_server Microsoft 2016-cumulative_update_20 (including) 2016-cumulative_update_20 (including)
Exchange_server Microsoft 2019-cumulative_update_8 (including) 2019-cumulative_update_8 (including)
Exchange_server Microsoft 2019-cumulative_update_9 (including) 2019-cumulative_update_9 (including)

Potential Mitigations

References