CVE-2024-21419: Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

Overview

Severity
High (CVSS 7.6)
CVSS 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
Category
Spoofing
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2024-Mar
Released
2024-03-12
Last Updated
2024-03-13
EPSS Score
0.37% (percentile: 58.7%)

FAQ

According to the CVSS metric, user interaction is required (UI:R) and privileges required is Low (PR:L). What does that mean for this vulnerability? An authorized attacker with read/write privileges must send a victim a malicious email, or share the link to a malicious email, and convince them to open it. According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? The vulnerability is in the web server, but the malicious scripts execute in the victim’s browser on their machine. According to the CVSS metric, successful exploitation of this vulnerability could lead to some loss of integrity (I:L)? What does that mean for this vulnerability? The attacker is only able to modify the content of the vulnerable link to redirect the victim to a malicious site.

Affected Products (1)

Microsoft Dynamics

  • Microsoft Dynamics 365 (on-premises) version 9.1

Security Updates (1)

Acknowledgments

<a href="https://www.linkedin.com/in/wei-jian-lim-63832410a">Lim Wei Jian</a>, Artem with <a href="https://gethacked.ca/">GetHacked Inc.</a>, <a href="https://www.linkedin.com/in/oeissa">Omar Eissa</a>

Revision History

  • 2024-03-12: Information published.
  • 2024-03-13: Added an acknowledgement. This is an informational change only.