PT-2022-5147 · Microsoft · Office 365

Published 2022-10-21 · Updated 2022-10-21

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Office 365 (affected versions not specified)

Description The issue is related to a security mechanism in Office 365 Message Encryption (OME) that uses the Electronic Codebook (ECB) mode. This allows a remote attacker to potentially access protected information.

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

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2022-06404

Affected Products

Office 365

References · 2

• https://bdu.fstec.ru/vul/2022-06404 · Security Note
• https://labs.withsecure.com/advisories/microsoft-office-365-message-encryption-insecure-mode-of-operation · Note