CVE-2020-1069: microsoft microsoft sharepoint enterprise server 2016 NULL Pointer Dereference
Vulnerability summary
CVE-2020-1069 is a high (CVSS 8.8) NULL Pointer Dereference vulnerability in microsoft microsoft sharepoint enterprise server 2016. EPSS estimates a 4.01% chance of exploitation in the next 30 days, higher than 90.5% of scored vulnerabilities.
Timeline
- 21-05-2020PublishedVulnerability first disclosed.
- 19-08-2026Last modifiedVulnerability information updated.
Description
A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a specially crafted page to perform actions in the security context of the SharePoint application pool process. To exploit the vulnerability, an authenticated user must create and invoke a specially crafted page on an affected version of Microsoft SharePoint Server. The security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles processing of created content.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
4.01%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
+0.03 pp
From 3.98% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft6 products
- microsoft sharepoint enterprise server 2016≥ 16.0.0, < publication
- microsoft sharepoint foundation 2013 service pack 1≥ 15.0.0, < publication
- microsoft sharepoint server 2019≥ 16.0.0, < publication
- sharepoint_enterprise_server2016
- sharepoint_foundation2013:sp1
1 vendor · 6 products
References
3 links
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1069X Refsource MISCX TransferredPatchVendor Advisory