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CVE-2020-1567

4.2 · MEDIUM

A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input.

Published Aug 17, 2020EPSS 3.67%

Overview

CVE-2020-1567 is a medium-severity vulnerability. It was published on August 17, 2020 and has a CVSS 3.1 base score of 4.2 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.2, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input.

An attacker could execute arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

In a HTML editing attack scenario, an attacker could trick a user into editing a specially crafted file that is designed to exploit the vulnerability.

The security update addresses the vulnerability by modifying how MSHTML engine validates input.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1567Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1567

How CyberStrike helps

Frequently asked questions

What is CVE-2020-1567?

CVE-2020-1567 is a medium-severity vulnerability. It was published on August 17, 2020 and has a CVSS 3.1 base score of 4.2 (MEDIUM).

How severe is CVE-2020-1567?

This vulnerability has a CVSS 3.1 base score of 4.2, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-1567?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-1567?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-1567 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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