CVE-2023-21529
Microsoft Exchange Server Deserialization of Untrusted Data Vulnerability
Microsoft Exchange Server contains a deserialization of untrusted data that allows an authenticated attacker to achieve remote code execution.
Actief misbruikt. Toegevoegd aan de CISA KEV-catalogus op 13 apr. Vereiste actie: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Bekend gebruik in ransomwarecampagnes.