CVE-2020-0647 — Origin Validation Error in Microsoft Office Online Server

CWE-346 — Origin Validation ErrorCWE-20 — Improper Input Validation4 documents4 sources
Severity
5.4MEDIUMNVD
EPSS
0.8%
top 26.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Microsoft Office Online Server
Timeline
PublishedJan 14
Latest updateMay 24

Description

A spoofing vulnerability exists when Office Online does not validate origin in cross-origin communications correctly, aka 'Microsoft Office Online Spoofing Vulnerability'.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.5

Affected Packages1 packages

▶CVEListV5microsoft/office_online_serverunspecified

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-r3cv-6vrm-m2pf: A spoofing vulnerability exists when Office Online does not validate origin in cross-origin communications correctly, aka 'Microsoft Office Online Spo↗2022-05-24
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CVEList
CVE-2020-0647: A spoofing vulnerability exists when Office Online does not validate origin in cross-origin communications correctly, aka 'Microsoft Office Online Spo↗2020-01-14
▶

📋Vendor Advisories

1
Microsoft
Microsoft Office Online Spoofing Vulnerability↗2020-01-14
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CVE-2020-0647 — Origin Validation Error in Microsoft | cvebase