CVE-2023-21529HighCVSS 8.8

Microsoft Exchange Server Remote Code Execution Vulnerability

Published
February 14, 2023
Last Modified
—

🔗 CVE IDs covered (1)

📋 Description

According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is none (UI:N). What is the target used in the context of the remote code execution? The attacker for this vulnerability could target the server accounts in an arbitrary or remote code execution. As an authenticated user, the attacker could attempt to trigger malicious code in the context of the server's account through a network call.

According to the CVSS metric, privileges required is low (PR:L). Does the attacker need to be in an authenticated role on the Exchange Server? Yes, the attacker must be authenticated.

🎯 Affected products4

  • Microsoft Exchange Server 2013 Cumulative Update 23
  • Microsoft Exchange Server 2016 Cumulative Update 23
  • Microsoft Exchange Server 2019 Cumulative Update 11
  • Microsoft Exchange Server 2019 Cumulative Update 12

✅ Remediation

KB5023038 (Security Update) — fixed build 15.02.1118.025 KB5023038 (Security Update) — fixed build 15.02.0986.041 KB5023038 (Security Update) — fixed build 15.00.1497.047 KB5023038 (Security Update) — fixed build 15.01.2507.021

🔗 References (6)