Vulnerability Monitor

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CVE-2021-31196

Microsoft Exchange Server Remote Code Execution Vulnerability

Published

2021-07-14T18:15:09.463

Last Modified

2025-10-29T16:47:30.210

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.2 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

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-2021-31196 Patch, Vendor Advisory ([email protected])
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196 US Government Resource (134c704f-9b21-4f2e-91b3-4a467353bcc0)