What is CVE-2020-0647?

CVE-2020-0647 is a medium-severity vulnerability in Microsoft Office Online Server, classified under Origin Validation Error. CVSS score: 5.4/10. Published 2020-01-14.

How severe is CVE-2020-0647?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Microsoft Office Online Server

CVE-2020-0647

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

EPSS: 0.009 (56.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Microsoft Office Online Server — versions unspecified
Microsoft Office_online_server

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-0647?: CVE-2020-0647 is a medium-severity vulnerability in Microsoft Office Online Server, classified under Origin Validation Error. CVSS score: 5.4/10. Published 2020-01-14.
How severe is CVE-2020-0647?: Medium severity. CVSS v3 base score is 5.4 out of 10.