#VU98240 Improper access control in Microsoft products - CVE-2024-43503

Vulnerability identifier: #VU98240

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-43503

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Microsoft SharePoint Server
Server applications / Application servers
Microsoft SharePoint Server Subscription Edition
Server applications / Application servers
Microsoft SharePoint Enterprise Server
Server applications / Application servers

Vendor: Microsoft

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Microsoft SharePoint. A local user can bypass implemented security restrictions and gain elevated privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft SharePoint Server: 2019

Microsoft SharePoint Server Subscription Edition: All versions

Microsoft SharePoint Enterprise Server: 2016

---

External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43503

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.