ZackAttack

ZackAttack! - NTLMリレーを誰よりも巧みに ======= これは何？ 要するに - ZackAttack!は、他のどのツールとも異なる、NTLM認証リレーを行う新しいツールセットです。 = では、ZackAttack!は他のツールと比べて何が違う/優れているのか？ NTLMv2対応 : 外部Exchange Web ServicesサーバーへのリレーによるNTLMの外部影響力の向上（モバイルフォンユーザーを考えてみてください :） カスタムRogue HTTPおよびSMBサーバーを単一のプールされたソースに集約し、ユーザーを識別し、ソケットを閉じずに認証を維持する...

NtlmRelayToEWS

ntlmRelayToEWS 作者: Arno0x0x - @Arno0x0x ntlmRelayToEWS は、Exchange Web サービス EWS に対して NTLM リレー攻撃を実行するためのツールです。ポート 445 で SMBListener を、ポート 80 で HTTPListener を起動し、被害者からの接続を待ち受けます。被害者がいずれかのリスナーに接続すると、NTLM ネゴシエーションが発生し、ターゲットの EWS サーバーにリレーされます。 明らかにこのツールは EWS API 全体を実装していません...

[SECURITY] Fedora 45 Update: evolution-ews-3.62.0-2.fc45

This package allows Evolution to interact with Microsoft Exchange servers, versions 2007 and later, through its Exchange Web Services EWS interface...

poc_proxylogon

pocproxylogon Microsoft Exchange ProxyLogon PoC CVE-2021-26855 This is script was originaly made by celesian to exploit this CVE. Then i updated it to exploit an exchange server vulnerable to SSRF but it got a Shell exploiting the EWS feature, because a client company patched it's exchange server...

[SECURITY] Fedora 45 Update: evolution-ews-3.62.0-1.fc45

This package allows Evolution to interact with Microsoft Exchange servers, versions 2007 and later, through its Exchange Web Services EWS interface...

EUVD-2026-58074

In Zimbra Collaboration ZCS before 10.1.17, a Cross-Site Request Forgery CSRF vulnerability exists in the Exchange Web Services EWS endpoint of Zimbra Collaboration ZCS due to insufficient validation of request content types. An attacker can exploit this vulnerability by causing an authenticated...

CVE-2026-73575: Cross-Site Request Forgery (CSRF)

In Zimbra Collaboration ZCS before 10.1.17, a Cross-Site Request Forgery CSRF vulnerability exists in the Exchange Web Services EWS endpoint of Zimbra Collaboration ZCS due to insufficient validation of request content types. An attacker can exploit this vulnerability by causing an authenticated...

Email item data export from EWS failed

Challenge Exchange Online backup jobs in Veeam Backup for Microsoft 365 and Veeam Data Cloud for Microsoft 365 may fail to process mailboxes, returning one of the following errors: Processing mailbox failed with error: Email item data export from EWS failed item IDs: .... The operation has timed...

CVE-2026-33371

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...

What Microsoft's EWS Retirement Means for Your Veeam Backups

Updated September 2026 This article has been revised to reflect: Microsoft's October 1, 2026 enforcement timeline. The introduction of the EWSAllowedAppIDs allow list. The current status of Veeam's transition to Microsoft Graph. Customers who have previously read this article are advised to revie...

EUVD-2026-13696

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...

CVE-2026-33371

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...

CVE-2026-33371: Improper Restriction of XML External Entity Reference

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...

CVE-2026-33371

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...

CVE-2026-33371

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...

CVE-2026-33371

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...

CVE-2026-33371

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...

PT-2026-26615

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...

Zimbra Collaboration 安全漏洞

Zimbra Collaboration is an open-source enterprise-level email and collaboration platform developed by Zimbra Corporation. It supports email, calendar, document management, and team collaboration features. Versions 10.0 and 10.1 of Zimbra Collaboration contain security vulnerabilities. These...

CVE-2026-33371

An XML External Entity (XXE) vulnerability exists in Zimbra Collaboration (ZCS) 10.0 and 10.1 . The flaw is located in the Zimbra Exchange Web Services (EWS) SOAP interface due to improper handling of XML input by an XML parser with external entity resolution enabled. An authenticated attacker ca...