THREATPORT/VULNERABILITY/CVE-2020-1023
HIGH SEVERITY

CVE-2020-1023

Sharepoint Enterprise Server vulnerability

CVSS
8.8
EPSS
10.4%
EPSS pct
95th
Exploited
No known
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1024, CVE-2020-1102.
Affected vendor
Microsoft
Affected product
Sharepoint Enterprise Server
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
Published
2020-05-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 10.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2020-1023

  • Confirm whether Microsoft Sharepoint Enterprise Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-1023.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-1023

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-1023 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2020-1023?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2020-1023.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2012-2619
Bcm4325 vulnerability
HIGH
CVE-2012-3569
Ovf Tool vulnerability
HIGH
CVE-2012-4953
Antivirus vulnerability