ACTIEF MISBRUIKT

CVE-2026-73570: Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability

Gegevens
LeverancierSynacor
ProductZimbra Collaboration Suite (ZCS)
Actief misbruiktJa
Toegevoegd aan CISA KEV21 aug 2026
CISA-deadline (Amerikaanse overheid)24 aug 2026
Zwakte (CWE)CWE-78

Vereiste actie (tekst van CISA, Engels)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Beschrijving (NVD, Engels)

Zimbra Collaboration Suite (ZCS) contains an OS command injection vulnerability which could allow an unauthenticated attacker to send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.

BRONNEN

Andere lekken bij Synacor

Gegevens van NVD, CISA KEV, FIRST EPSS en adviezen van leveranciers. Bijgewerkt 10 nov 2026.