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CVE-2020-15860

9.9 · CRITICAL

Parallels Remote Application Server (RAS) 17.1.1 has a Business Logic Error causing remote code execution.

Published Jul 24, 2020EPSS 4.01%

Overview

CVE-2020-15860 is a critical-severity vulnerability. It was published on July 24, 2020 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Parallels Remote Application Server (RAS) 17.1.1 has a Business Logic Error causing remote code execution. It allows an authenticated user to execute any application in the backend operating system through the web application, despite the affected application not being published. In addition, it was discovered that it is possible to access any host in the internal domain, even if it has no published applications or the mentioned host is no longer associated with that server farm.

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/125112Refwww.coresecurity.com/core-labs/advisories/parallels-ras-os-command-executionRefwww.parallels.com/products/ras/remote-application-server/Refkb.parallels.com/en/125112Refwww.coresecurity.com/core-labs/advisories/parallels-ras-os-command-executionRefwww.parallels.com/products/ras/remote-application-server/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-15860?

CVE-2020-15860 is a critical-severity vulnerability. It was published on July 24, 2020 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2020-15860?

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-15860?

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-2020-15860?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-15860 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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