#VU28906 Permissions, Privileges, and Access Controls in Microsoft products - CVE-2020-1229

Vulnerability identifier: #VU28906

Vulnerability risk: Medium

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-1229

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office
Client/Desktop applications / Office applications
Microsoft Word
Client/Desktop applications / Office applications
Microsoft Office for Mac
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists in Microsoft Outlook when Office fails to enforce security settings configured on a system. A remote attacker can send an email with a specially crafted image and bypass implemented security restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 2010 Service Pack 2, 2013 RT - 2013, 2016, 2019 for Mac - 2019

Microsoft Word: 2010, 2013 RT Service Pack 1, 2013 Service Pack 1, 2016

Microsoft Office for Mac: 2016

---

External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1229

---

Q & A

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.