CVE-2023-21556 Information

Description

Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2023-21543 CVE-2023-21546 CVE-2023-21555 CVE-2023-21679.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21556

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1