CVE-2021-33766

Microsoft Exchange Server Information Disclosure Vulnerability

Published Jul 14, 2021 CVSS 3.1 · 7.3 High EPSS 98.2% KEV · Listed
Description
Microsoft Exchange Server Information Disclosure Vulnerability

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_19:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_20:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_23:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_8:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_9:*:*:*:*:*:*
References
Type Values Removed Values Added
Weaknesses CWE-287 NVD-CWE-noinfo
Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-01-18'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 10, 2026, 3:11 PM
Reserved
May 28, 2021, 12:00 AM
Status
Analyzed
Published
Jul 14, 2021, 6:15 PM
Modified
Aug 10, 2026, 7:58 PM