CVE-2021-41350

At a glance

Severity
MEDIUM 6.5
EPSS
EPSS 1.91 % · percentile 80 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Modified

Description

Microsoft Exchange Server Spoofing Vulnerability

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NNVD · secure@microsoft.com (Secondary)
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NNVD · nvd@nist.gov (Secondary)
CVSS 2.0MEDIUM 4.3AV:N/AC:M/Au:N/C:N/I:P/A:NNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Microsoft Exchange Server 2016 Cumulative Update 21affected 15.01.0 < 15.01.2308.015
Microsoft · Microsoft Exchange Server 2019 Cumulative Update 10affected 15.02.0 < 15.02.0922.014
Microsoft · Microsoft Exchange Server 2019 Cumulative Update 11affected 15.02.0 < 15.02.0986.009
Microsoft · Microsoft Exchange Server 2016 Cumulative Update 22affected 15.0.0 < 15.01.2375.012

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD