CVE-2021-33766
Microsoft Exchange Server Information Disclosure Vulnerability
- State
- Published
- Severity
- 7.3 High
- Published
- Jul 14, 2021
- Updated
- Aug 10, 2026
- Reserved
- May 28, 2021
Description
Microsoft Exchange Server Information Disclosure Vulnerability
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C | microsoft |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
Microsoft Exchange Server 2013 Cumulative Update 23Microsoft |
|
Microsoft Exchange Server 2016 Cumulative Update 19Microsoft |
|
Microsoft Exchange Server 2016 Cumulative Update 20Microsoft |
|
Microsoft Exchange Server 2019 Cumulative Update 8Microsoft |
|
Microsoft Exchange Server 2019 Cumulative Update 9Microsoft |
|
References
- Microsoft Exchange Server Information Disclosure Vulnerabilityvendor-advisorypatch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766
- https://www.zerodayinitiative.com/advisories/ZDI-21-798/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33766government-resource
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