CVE-2020-17089 Microsoft SharePoint Elevation of Privilege Vulnerability
High 7.1
Published
Updated
Check this codebase for CVE-2020-17089 and fix it if it is affected.
What it is: CVE-2020-17089 is a high-severity 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.
Exploitation: There is no known exploitation of CVE-2020-17089 in the wild and no public exploit code.
Affected product: Microsoft Sharepoint Foundation. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2020-17089/ (Markdown: https://insights.sbomify.com/CVE-2020-17089/index.md)
An attacker can exploit this vulnerability to elevate privileges within Microsoft SharePoint environments.
- 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-2020-17089?
CVE-2020-17089 is a high-severity 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 Elevation of Privilege Vulnerability
Which versions are affected by CVE-2020-17089?
It affects 2 products.
Products include Microsoft Sharepoint Foundation, Microsoft Sharepoint Server.
How do I fix CVE-2020-17089?
No fix has been published for CVE-2020-17089 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-17089 being exploited?
There is no known exploitation of CVE-2020-17089 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-8qmw-pm39-cgxw.