PT-2020-1321 · Microsoft · Office Online Server+1

Published 2020-01-14 · Updated 2021-07-21 · CVE-2020-0647

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Office Online (affected versions not specified) Office Online Server (affected versions not specified)

Description A spoofing issue exists due to incorrect validation of origin in cross-origin communications. This could allow a remote attacker to conduct spoofing attacks using a specially crafted request. The vulnerability is related to errors in the representation of information by the user interface.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

UI Misrepresentation of Critical Information

Origin Validation Error

Weakness Enumeration

CWE-451

CWE-346

Related Identifiers

BDU:2020-00222

CVE-2020-0647

Affected Products

Office Online

Office Online Server

References · 4

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0647 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-0647 · Security Note
• https://bdu.fstec.ru/vul/2020-00222 · Security Note
• https://cybersecurity-help.cz/vdb/SB2020011429 · Note