Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability
Utnyttes aktivt (CISA KEV)
Høy 8.9 CVSS 3.1
Beskrivelse
A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.
Beskrivelsen gjengis slik kilden har publisert den, på engelsk.
Nøkkelfakta
Publisert
2026-08-13
Sist endret
2026-08-24
Tildelt av
cve@mitre.org
CVSS-vektor
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Scoret av
cve@mitre.org
Rettelse finnes
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Aktivt utnyttet
CISA førte denne sårbarheten inn i katalogen over kjente utnyttede
sårbarheter 2026-08-21,
med utbedringsfrist 2026-08-24 for amerikanske føderale etater.
Pålagt tiltak: 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.
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS …
