CVE-2023-33171: Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

Overview

Severity
High (CVSS 8.2)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/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
2023-Jul
Released
2023-07-11
EPSS Score
0.27% (percentile: 50.1%)

FAQ

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? The user would have to click on a specially crafted URL to be compromised by the attacker. 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 (2)

Microsoft Dynamics

  • Microsoft Dynamics 365 (on-premises) version 9.0
  • Microsoft Dynamics 365 (on-premises) version 9.1

Security Updates (2)

Acknowledgments

<a href="https://batr.am/">batram</a>

Revision History

  • 2023-07-11: Information published.