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CVE-2026-33371

MEDIUM

4.3

Beschreibung

An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. An XML External Entity (XXE) vulnerability exists in the Zimbra Exchange Web Services (EWS) SOAP interface due to improper handling of XML input. An authenticated attacker can submit crafted XML data that is processed by an XML parser with external entity resolution enabled. Successful exploitation may allow disclosure of sensitive local files from the server.

CVE Details

CVSS v3.1 Bewertung4.3

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionNONE

Veroffentlicht3/20/2026

Zuletzt geandert4/1/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

synacor:zimbra_collaboration_suite

Schwachen (CWE)

CWE-611

Referenzen

https://wiki.zimbra.com/wiki/Security_Center(cve@mitre.org)

https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.16#Security_Fixes(cve@mitre.org)

https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy(cve@mitre.org)

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories(cve@mitre.org)

IOC Korrelationen

Keine Korrelationen erfasst

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