CVE-2023-41771CriticalCVSS 8.1

Layer 2 Tunneling Protocol Remote Code Execution Vulnerability

Published
October 10, 2023
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2023-41771 →

📋 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 win a race condition.

How could an attacker exploit this vulnerability? An unauthenticated attacker could send a specially crafted protocol message to a Routing and Remote Access Service (RRAS) server, which could lead to remote code execution (RCE) on the RAS server machine.

🎯 Affected products33

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-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 10 for 32-bit Systems
  • Windows 10 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 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • +3 more not shown

✅ Remediation

KB5031361 (Security Update) — fixed build 10.0.17763.4974 KB5031364 (Security Update) — fixed build 10.0.20348.2031 KB5031358 (Security Update) — fixed build 10.0.22000.2538 KB5031356 (Security Update) — fixed build 10.0.19041.3570 KB5031354 (Security Update) — fixed build 10.0.22621.2428 KB5031356 (Security Update) — fixed build 10.0.19045.3570 KB5031377 (Security Update) — fixed build 10.0.10240.20232 KB5031362 (Security Update) — fixed build 10.0.14393.6351 KB5031416 (Monthly Rollup) — fixed build 6.0.6003.22317 KB5031411 (Security Only) — fixed build 6.0.6003.22317 KB5031408 (Monthly Rollup) — fixed build 6.1.7601.26769 KB5031441 (Security Only) — fixed build 6.1.7601.26769 KB5031442 (Monthly Rollup) — fixed build 6.2.9200.24523 KB5031427 (Security Only) — fixed build 6.2.9200.24523 KB5031419 (Monthly Rollup) — fixed build 6.3.9600.21620 KB5031407 (Security Only) — fixed build 6.3.9600.21620

🔗 References (36)