NULL pointer dereference in Microsoft Sharepoint Enterprise Server
CVE-2020-1069
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.040 (90.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- Microsoft Sharepoint Enterprise Server — versions 2016
- Microsoft Sharepoint Enterprise Server 2016
- Microsoft Sharepoint Foundation — versions 2013 Service Pack 1
- Microsoft Sharepoint Foundation 2013 Service Pack 1
- Microsoft Sharepoint Server — versions 2019
- Microsoft Sharepoint Server 2019
- Microsoft Sharepoint Enterprise Server — versions 2016
- Microsoft Sharepoint Foundation — versions 2013
- Microsoft Sharepoint Server — versions 2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Not Applicable)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1069 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2020-1069?
- CVE-2020-1069 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server, classified under NULL Pointer Dereference. CVSS score: 8.8/10. Published 2020-05-21.
- How severe is CVE-2020-1069?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-1069 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.