CVE-2021-28450 Microsoft SharePoint Denial of Service Vulnerability
Attackers can cause a denial of service in Microsoft SharePoint, requiring administrators to apply security patches.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-28450?
CVE-2021-28450 is a medium-severity denial of service vulnerability in Microsoft Sharepoint Foundation, published on 13 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Microsoft SharePoint Denial of Service Vulnerability
Which versions are affected by CVE-2021-28450?
It affects 2 products.
Products include Microsoft Sharepoint Foundation, Microsoft Sharepoint Server.
How do I fix CVE-2021-28450?
No fix has been published for CVE-2021-28450 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-28450 being exploited?
There is no known exploitation of CVE-2021-28450 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Foundation
- CVE-2014-2816 Privilege escalation in n/a
- CVE-2023-21742 Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVE-2023-21744 Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVE-2022-44690 Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVE-2022-41036 Microsoft SharePoint Server Remote Code Execution Vulnerability
Sources
Also known as GHSA-xw5f-m9q2-678f.