Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-33766

Microsoft Exchange Server Information Disclosure Vulnerability

Published

2021-07-14T18:15:10.380

Last Modified

2025-03-07T22:01:06.590

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.3 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	microsoft	exchange_server	2013	Yes
Application	microsoft	exchange_server	2016	Yes
Application	microsoft	exchange_server	2016	Yes
Application	microsoft	exchange_server	2019	Yes
Application	microsoft	exchange_server	2019	Yes

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766 Patch, Vendor Advisory ([email protected])
https://www.zerodayinitiative.com/advisories/ZDI-21-798/ Third Party Advisory, VDB Entry ([email protected])
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-21-798/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)