SARA / Free Tools / CVE / CVE-2023-24921

CVE-2023-24921 — Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

CVSS

5.4 MEDIUM

EPSS

0.83% (top 25.60%)

CWE

CWE-79

Published

2023-03-14T16:55:32.232Z

Last modified

2025-02-28T20:04:47.292Z

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C

01What is this vulnerability?

Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

Vendor	Product	Versions
Microsoft	Microsoft Dynamics 365 (on	premises) version 9.0 — 9.0.0
Microsoft	Microsoft Dynamics 365 (on	premises) version 9.1 — 9.0

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

msrc.microsoft.com — https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24921

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