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CVE-2020-17394

6.0 · MEDIUM

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.4.

Published Aug 25, 2020CWE-129EPSS 0.55%

Overview

CVE-2020-17394 is a medium-severity vulnerability. It was published on August 25, 2020 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.4. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the OEMNet component. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute code in the context of the hypervisor. Was ZDI-CAN-11132.

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

Refkb.parallels.com/en/125013Refwww.zerodayinitiative.com/advisories/ZDI-20-1012/Refkb.parallels.com/en/125013Refwww.zerodayinitiative.com/advisories/ZDI-20-1012/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-17394?

CVE-2020-17394 is a medium-severity vulnerability. It was published on August 25, 2020 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2020-17394?

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-17394?

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-2020-17394?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-17394 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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