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CVE-2021-31195

Published: May 11, 2021Updated: Feb 28, 2025 Sources: CVE List NVD BDUNVD-CWE-noinfo
6.5MEDIUM
NVD MITRE
EPSS Score
73.7%
Top 0.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfoCWE-290

Affected Products

Microsoft Exchange ServerMicrosoft Corp
On-prem
Operating Systems
exchange servermicrosoft
On-prem
Operating Systems / windows
Microsoft Exchange Server 2016 Cumulative Update 19Microsoft
On-premWeb App
Enterprise Software / itsm-monitoring
Microsoft Exchange Server 2019 Cumulative Update 8Microsoft
On-premWeb App
Enterprise Software / itsm-monitoring
Microsoft Exchange Server 2019 Cumulative Update 9Microsoft
On-premWeb App
Enterprise Software / itsm-monitoring
microsoft corpcommercialUSOperating Systemsaka microsoft corporation
microsoftcommercialUSOperating Systems
and 2 more affected products View all →

Exploitability

Official Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify Rather we check it for you?We'll check your whole external perimeter for exposure — free. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31195
msrc.microsoft.com
https://nvd.nist.gov/vuln/detail/CVE-2021-31195
nvd.nist.gov
https://www.cybersecurity-help.cz/vdb/SB2021051112
cybersecurity-help.cz
and 1 more references View all →

Timeline

Published
May 11, 2021
Last Updated
Feb 28, 2025

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