NtlmRelayToEWS

ntlmRelayToEWS Author: Arno0x0x - @Arno0x0x ntlmRelayToEWS is a tool for performing ntlm relay attacks on Exchange Web Services EWS. It spawns an SMBListener on port 445 and an HTTPListener on port 80, waiting for incoming connection from the victim. Once the victim connects to one of the...

ZackAttack

===== ZackAttack! - Realying NTLM Like Nobody's Business ======= WTF Is This? tl;dr version - ZackAttack! is a new Tool Set to do NTLM Authentication relaying unlike any other tool currently out there. = So how is ZackAttack! different / better? Compared to other tools... Supports NTLMv2 : Brings...

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-3.62.0-2.fc45

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

[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...

Zimbra Collaboration security vulnerabilities

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 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 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...

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...

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...