ReviewHigh

CVE-2021-34524

Microsoft Microsoft Dynamics 365 (on-premises) version 9.0, Microsoft Dynamics 365 (on-premises) version 9.1, dynamics 365

CVE-2021-34524 affects Microsoft Microsoft Dynamics 365 (on-premises) version 9.0, Microsoft Dynamics 365 (on-premises) version 9.1, dynamics 365. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS: 8.8
EPSS: 3.59%
CISA KEV: Not listed
Published: 2021.08.13

PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability3.59%

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: Microsoft Microsoft Dynamics 365 (on-premises) version 9.0, Microsoft Dynamics 365 (on-premises) version 9.1, dynamics 365
Affected versions: >= 9.0.0 < 9.0.31.7, >= 9.0 < 9.1.3.11, 9.0, 9.1
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Microsoft Microsoft Dynamics 365 (on-premises) version 9.0, Microsoft Dynamics 365 (on-premises) version 9.1, dynamics 365 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: Not available