CVE-2021-31195

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected

Microsoft · Microsoft Exchange Server 2016 Cumulative Update 19 · Microsoft Exchange Server 2019 Cumulative Update 8 · Microsoft Exchange Server 2019 Cumulative Update 9 · Microsoft Exchange Server 2016 Cumulative Update 20 · Microsoft Exchange Server 2013 Cumulative Update 23

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 MICROSOFT

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2.0 NVD

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

73.68% chance of exploitation in the next 30 days, 99th percentile

Nuclei

medium · CWE-79

Published

2021-05-11

Updated

2025-02-28

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-31195.yaml

Security advisories

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195

References

• CVE Record
• NVD entry