Main Vulnerability Database Vulnerabilities #VU53879

Code Injection in Microsoft Outlook and Microsoft Office - CVE-2021-31949

Published: June 8, 2021

Vulnerability identifier: #VU53879

CSH Severity: Medium

CVSS v4: 5.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-31949

CWE-ID: CWE-94

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation within the Microsoft Outlook. A remote authenticated attacker can trick a victim to open a specially crafted file or visit a malicious website and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

Microsoft Outlook
Microsoft Office

How to mitigate CVE-2021-31949

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31949

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