Microsoft Exchange - Authentication Bypass

Microsoft Exchange Server Information Disclosure Vulnerability. This vulnerability enables an attacker to bypass authentication and gain access to the Exchange Server's internal. id: CVE-2021-33766 info: name: Microsoft Exchange - Authentication Bypass author: daffainfo severity: high description...

Microsoft Exchange Information Disclosure (CVE-2021-33766)

An information disclosure vulnerability exists in Microsoft Exchange. Successful exploitation could result in the disclosure of sensitive information...

New Microsoft Exchange 'ProxyToken' Flaw Lets Attackers Reconfigure Mailboxes

Details have emerged about a now-patched security vulnerability impacting Microsoft Exchange Server that could be weaponized by an unauthenticated attacker to modify server configurations, thus leading to the disclosure of Personally Identifiable Information PII. The issue, tracked as...

Microsoft Exchange ‘ProxyToken’ Bug Allows Email Snooping

A serious security vulnerability in Microsoft Exchange Server that researchers have dubbed ProxyToken could allow an unauthenticated attacker to access and steal emails from a target’s mailbox. Microsoft Exchange uses two websites; one, the front end, is what users connect to in order to access...

CVE-2021-33766

Microsoft Exchange Server Information Disclosure Vulnerability...

CVE-2021-33766 Microsoft Exchange Server Information Disclosure Vulnerability

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CVE-2021-33766 ProxyToken

Microsoft Exchange Server Information Disclosure Vulnerability Recent assessments: NinjaOperator at August 30, 2021 4:59pm UTC reported: An unauthenticated actor can perform configuration actions on mailboxes belonging to arbitrary users. Which can be used to copy all emails addressed to a target...

April 2021 Update Tuesday packages now available

Update August 25, 2021: Microsoft strongly recommends that you update your servers with the most recent security updates available. CVE-2021-34473 ProxyShell CVE-2021-34523 ProxyShell CVE-2021-33766 Today is Update Tuesday – our commitment to provide a predictable monthly schedule to release...

CVE-2021-33766

creationtimestamp| type| source ---|---|--- 2021-04-13 05:00:00+00:00| seen| https://msrc.microsoft.com/blog/2021/04/april-2021-update-tuesday-packages-now-available/ 2021-08-30 20:48:52+00:00| seen| https://t.me/cibsecurity/28015 2021-08-30 21:16:05+00:00| seen| https://t.me/cKure/6874 2021-08-3...