// For flags

CVE-2023-24950

Microsoft SharePoint Server Spoofing Vulnerability

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Microsoft SharePoint Server Spoofing Vulnerability

This vulnerability allows remote attackers to relay NTLM credentials on affected installations of Microsoft SharePoint. Authentication is required to exploit this vulnerability.
The specific flaw exists within the implementation of the AdRotator WebControl. The issue results from the lack of proper input validation. An attacker can leverage this vulnerability to relay NTLM credentials of the service account.

*Credits: Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-01-31 CVE Reserved
  • 2023-05-09 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-09-09 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Sharepoint Enterprise Server
Search vendor "Microsoft" for product "Sharepoint Enterprise Server"
2016
Search vendor "Microsoft" for product "Sharepoint Enterprise Server" and version "2016"
-
Affected
Microsoft
Search vendor "Microsoft"
Sharepoint Server
Search vendor "Microsoft" for product "Sharepoint Server"
-subscription
Affected
Microsoft
Search vendor "Microsoft"
Sharepoint Server
Search vendor "Microsoft" for product "Sharepoint Server"
2019
Search vendor "Microsoft" for product "Sharepoint Server" and version "2019"
-
Affected