CVE-2023-28240HighCVSS 8.8

Windows Network Load Balancing Remote Code Execution Vulnerability

Published
April 11, 2023
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2023-28240 →

📋 Description

How could an attacker exploit this vulnerability? To exploit this vulnerability, an attacker on the same subnet as the target system would need to send a specially crafted packet to a server configured as a Network Load Balancing cluster host.

According to the CVSS score, the attack vector is adjacent (AV:A). What does this mean for this vulnerability? This attack is limited to systems connected to the same network segment as the attacker. The attack cannot be performed across multiple networks (for example, a WAN) and would be limited to systems on the same network switch or virtual network.

🎯 Affected products16

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

✅ Remediation

KB5025229 (Security Update) — fixed build 10.0.17763.4252 KB5025230 (Security Update) — fixed build 10.0.20348.1668 KB5025228 (Security Update) — fixed build 10.0.14393.5850 KB5025271 (Monthly Rollup) — fixed build 6.0.6003.22015 KB5025273 (Security Only) — fixed build 6.0.6003.22015 KB5025279 (Monthly Rollup) — fixed build 6.1.7601.26466 KB5025277 (Security Only) — fixed build 6.1.7601.26466 KB5025287 (Monthly Rollup) — fixed build 6.2.9200.24216 KB5025272 (Security Only) — fixed build 6.2.9200.24216 KB5025285 (Monthly Rollup) — fixed build 6.3.9600.20919 KB5025288 (Security Only) — fixed build 6.3.9600.20919

🔗 References (18)