No exploitation reportedFix available

CVE-2020-1181

No exploitation reported by the sources we read.

Published2020-06-09

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls, aka 'Microsoft SharePoint Server Remote Code Execution Vulnerability'.

Timeline

dates in UTC

2020-06-0920:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-1181?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-1181?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft sharepoint foundation

Branch	Affected	Fixed in	Source
2010.x	= 2010	no fix published	NVD
2013.x	= 2013	no fix published	NVD

Microsoft sharepoint enterprise server

Branch	Affected	Fixed in	Source
2016.x	= 2016	no fix published	NVD

Microsoft sharepoint server

Branch	Affected	Fixed in	Source
2019.x	= 2019	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

portal.msrc.microsoft.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.06.5read 2026-10-23
FIRST EPSSEPSS score69.3 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2020-06-09
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-1181?

Is CVE-2020-1181 actively exploited?

Active exploitation of CVE-2020-1181 has not been confirmed. Its EPSS score was 69.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-1181?

CVE-2020-1181 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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