Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2020-1105
Microsoft SharePoint Spoofing Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L R C L L N 5.4 .0167 75.9 —
AFFECTED
Product Versions Fixed
Microsoft SharePoint Enterprise Server 2016 16.0.0 – —
Microsoft SharePoint Foundation 2013 Service Pack 1 15.0.0 – —
TIMELINE
Nov 4 Reserved by microsoft
May 21 Published (CNA: microsoft)
Aug 19 ENRICHED — CVE-2020-1105 (Microsoft SharePoint Enterprise Server 2016). Received CVSS 5.4 and CPE data from NVD.
Description
A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected SharePoint server.
The attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current user. These attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim's identity to take actions on the SharePoint site on behalf of the user, such as change permissions and delete content, and inject malicious content in the browser of the user.
The security update addresses the vulnerability by helping to ensure that SharePoint Server properly sanitizes web requests.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| November 4, 2019 | Reserved | Reserved by microsoft |
| May 21, 2020 | Published | Published (CNA: microsoft) |
| August 19, 2026 | ENRICHED | ENRICHED — CVE-2020-1105 (Microsoft SharePoint Enterprise Server 2016). Received CVSS 5.4 and CPE data from NVD. |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | — | 16.0.0 | — |
| Microsoft | Microsoft SharePoint Foundation 2013 Service Pack 1 | — | 15.0.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-1105 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
