CVE-2020-17115 Microsoft SharePoint Server Spoofing Vulnerability
An attacker can spoof content in Microsoft SharePoint Server, potentially misleading users about the source of information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-17115?
CVE-2020-17115 is a high-severity cross-site scripting vulnerability in Microsoft Sharepoint Foundation, published on 9 Dec 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Microsoft SharePoint Server Spoofing Vulnerability
Which versions are affected by CVE-2020-17115?
It affects 2 products.
Products include Microsoft Sharepoint Foundation, Microsoft Sharepoint Server.
How do I fix CVE-2020-17115?
No fix has been published for CVE-2020-17115 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-17115 being exploited?
There is no known exploitation of CVE-2020-17115 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-8hvv-57v8-7qff.