What is CVE-2024-21389?

CVE-2024-21389 is a high-severity vulnerability in Microsoft Dynamics 365 (On-premises) Version 9.1, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2024-02-13.

How severe is CVE-2024-21389?

High severity. CVSS v3 base score is 7.6 out of 10.

Is CVE-2024-21389 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Microsoft Dynamics 365 (On-premises) Version 9.1

CVE-2024-21389

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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (41.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C.

Affected products

Microsoft Dynamics 365 (On-premises) Version 9.1 — versions 9.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2024-21389?: CVE-2024-21389 is a high-severity vulnerability in Microsoft Dynamics 365 (On-premises) Version 9.1, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2024-02-13.
How severe is CVE-2024-21389?: High severity. CVSS v3 base score is 7.6 out of 10.
Is CVE-2024-21389 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.