Vulnerability identifier: #VU48317
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-254
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft Office
Client/Desktop applications /
Office applications
Microsoft Excel
Client/Desktop applications /
Office applications
Vendor: Microsoft
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to security feature bypass issue in Microsoft Excel. A remote attacker can gain unauthorized access to the application.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft Office: 2019 - 2019 for Mac
Microsoft Excel:
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17067
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.