Main Vulnerability Database Vulnerabilities #VU51354

Security features bypass in Microsoft Visio and Microsoft Office - CVE-2021-27055

Published: March 9, 2021

Vulnerability identifier: #VU51354

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-27055

CWE-ID: CWE-254

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to security feature bypass issue in Microsoft Visio. A remote attacker can trick a victim to open a specially crafted file and gain elevated privileges on the target system.

Affected software

Microsoft Visio
Microsoft Office

How to mitigate CVE-2021-27055

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27055

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