Tag Archives: Sharepoint

Microsoft SharePoint Server: Patch for RCE vulnerability CVE-2024-21318, and CISA warns about CVE-2023-29357

Posted on 2024-01-13 by guenni

[English]Another addendum from the January 2024 patchday for Microsoft SharePoint Server. I mentioned the SharePoint Server RCE vulnerability CVE-2024-21318 in the patchday articles. This was closed with the security updates of January 9, 2023. There is a second Elevation of … Continue reading →

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Exploit for Microsoft SharePoint Server 2019 authentication bypass published (October 2023)

Posted on 2023-10-08 by guenni

[German]I'll post a short information for Sharepoint administrators here in the blog. Microsoft has already published an authentication bypass vulnerability (CVE-2023-29357) in June 2023. So the vulnerability can be closed via update. Now a security researcher has made public an … Continue reading →

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

SharePoint Online outage on July 25, 2023 due to incorrect TLS certificate

Posted on 2023-07-25 by guenni

[German]On July 24, 2023, there was a brief outage of SharePoint Online and OneDrive for Business. After two hours, Microsoft informed us that the problem was related to an update and had already been corrected. In the meantime, it has … Continue reading →

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Microsoft SharePoint scans password-protected ZIP archives

Posted on 2023-05-17 by guenni

[German]It looks like Microsoft also scans ZIP archives in its cloud storage for malicious content (and possibly other content) – even archives that are password-protected from viewing by the user. At least, that's what a post on Mastodon by security … Continue reading →

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Update KB4484104 is causing issues opening Office documents on SharePoint server (June 2022)

Posted on 2022-06-13 by guenni

[German]After the release of the June 2022 updates for Microsoft Office 2016, blog readers have left some reports about issues within my German blog. These problems occur when opening Office documents on SharePoint servers after installing the June 7, 2022 … Continue reading →

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Sharepoint Migration Tool (SPMT 3.5.123.0) released

Posted on 2022-01-30 by guenni

Microsoft has released Sharepoint Migration Tool (SPMT) 3.5.123.0 in January 2022 with new features to allows users to migrate SharePoint Server 2010. Advertising

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SharePoint Server 2013 – 2019: Patch against CVE 2020-16952

Posted on 2020-10-15 by guenni

[German]Administrators of Microsoft SharePoint Server (2013-2019) should ensure that they are patched against the CVE 2020-16952 vulnerability. The vulnerability is likely to be exploited by now. Advertising

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Sharepoint RCE vulnerability CVE-2020-1147 – Details now public, patch immediately

Posted on 2020-07-25 by guenni

[German]A brief note for administrators in enterprises, who are responsible for Sharepoint installations. The details regarding an RCE vulnerability have now become public. It is important to patch the affected installations quickly. Advertising

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SharePoint: PoC for RCE Vulnerability CVE-2020-1181

Posted on 2020-06-21 by guenni

[German]Security researchers have now published a proof of concept (PoC) for the Remote Code Execution (RCE) vulnerability in the web part CVE-2020-1181. Since patches are available, administrators should take action. Advertising

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SharePoint/OneDrive for Business was disturbed (03/31/2020)

Posted on 2020-03-31 by guenni

[German]As of March 31, 2020 there was a service disruption affecting both SharePoint and OneDrive for Business. Blog reader Andreas P. informed me this morning by e-mail about these disruptions. It looks as if the throttling measures of Microsoft have … Continue reading →

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