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CVE-2019-0948

4.7 · MEDIUM

An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an external entity.

Published Jun 12, 2019CWE-611EPSS 12.67%

Overview

CVE-2019-0948 is a medium-severity vulnerability. It was published on June 12, 2019 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an external entity. An attacker who successfully exploited this vulnerability could read arbitrary files via an XML external entity (XXE) declaration.

To exploit the vulnerability, an attacker could create a file containing specially crafted XML content and convince an authenticated user to import the file.

The update addresses the vulnerability by modifying the way that the Event Viewer parses XML 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

Refmsrc.microsoft.com/update-guide/vulnerability/CVE-2019-0948Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0948Refwww.zerodayinitiative.com/advisories/ZDI-19-641/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-0948?

CVE-2019-0948 is a medium-severity vulnerability. It was published on June 12, 2019 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2019-0948?

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-0948?

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-2019-0948?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-0948 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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