Vulnerability identifier: #VU71073

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21759

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows Server
Operating systems & Components / Operating system
Windows
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to security features bypass in Windows Smart Card Resource Management Server. A local user can gain access to data related to FIDO keys managed on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2019 - 2022

Windows: 11 - 11 22H2, 10 - 10 S

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External links
http://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-28249

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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.