CVE-2023-21539HighCVSS 7.5

Windows Authentication Remote Code Execution Vulnerability

Published
January 10, 2023
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2023-21539 →

📋 Description

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to take additional actions prior to exploitation to prepare the target environment.

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? An attacker must already have access and the ability to run code on the target system. This technique does not allow for remote code execution in cases where the attacker does not already have that ability on the target system.

🎯 Affected products14

  • Windows 10 Version 20H2 for 32-bit Systems
  • Windows 10 Version 20H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)

✅ Remediation

KB5022291 (Security Update) — fixed build 10.0.20348.1487 KB5022282 (Security Update) — fixed build 10.0.19042.2486 KB5022287 (Security Update) — fixed build 10.0.22000.1455 KB5022282 (Security Update) — fixed build 10.0.19044.2486 KB5022303 (Security Update) — fixed build 10.0.22621.1105 KB5022282 (Security Update) — fixed build 10.0.19045.2486

🔗 References (7)