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CVE-2026-33371

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zimbra Collaboration是Zimbra公司的一个开源企业级电子邮件与协作平台，支持邮件、日历、文档管理及团队协作功能。 Zimbra Collaboration 10.0版本和10.1版本存在安全漏洞，该漏洞源于Zimbra Exchange Web Services SOAP接口对XML输入处理不当，可能导致XML外部实体攻击。

AI Predicted 8.1 Difficulty: Easy EPSS 0.39% · P32
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I. Basic Information for CVE-2026-33371

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Zimbra Collaboration 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zimbra Collaboration是Zimbra公司的一个开源企业级电子邮件与协作平台，支持邮件、日历、文档管理及团队协作功能。 Zimbra Collaboration 10.0版本和10.1版本存在安全漏洞，该漏洞源于Zimbra Exchange Web Services SOAP接口对XML输入处理不当，可能导致XML外部实体攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-33371

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III. Intelligence Information for CVE-2026-33371

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Vendor Advisories for CVE-2026-33371 (2)

Vendor Pages for CVE-2026-33371 (1)

Same Patch Batch · n/a · 2026-03-20 · 17 CVEs total

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CVE-2026-33370 Zimbra Collaboration 安全漏洞
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CVE-2026-30579 File Thingie 安全漏洞
CVE-2026-30578 File Thingie 安全漏洞
CVE-2026-30580 File Thingie 安全漏洞
CVE-2025-63260 SyncFusion 安全漏洞
CVE-2025-63261 AWStats 安全漏洞
CVE-2025-55988 DreamFactory Core 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-33371

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