CVE-2023-24941: Windows Network File System Remote Code Execution Vulnerability

Overview

Severity

Critical (CVSS 9.8)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

More Likely

Patch Tuesday

2023-May

Released

2023-05-09

EPSS Score

41.60% (percentile: 97.4%)

FAQ

How could an attacker exploit this vulnerability? This vulnerability could be exploited over the network by making an unauthenticated, specially crafted call to a Network File System (NFS) service to trigger a Remote Code Execution (RCE).

Affected Products (10)

Windows

• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows Server 2016
• Windows Server 2016 (Server Core installation)

ESU

• Windows Server 2012
• Windows Server 2012 (Server Core installation)
• Windows Server 2012 R2
• Windows Server 2012 R2 (Server Core installation)

Security Updates (8)

• 5026362
• 5026370
• 5026456
• 5026363
• 5026419
• 5026411
• 5026415
• 5026409

Acknowledgments

Wei in Kunlun Lab with <a href="https://www.cyberkl.com/">Cyber KunLun</a>

Revision History

• 2023-05-09: Information published.