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CVE-2018-20807

6.1 · MEDIUM

An XSS issue has been found in welcome.cgi in Pulse Secure Pulse Connect Secure (PCS) 8.1.x before 8.1R12, 8.2.x before 8.2R9, and 8.3.x before 8.3R3 due to one of the URL parameters not being sani…

Published Jun 28, 2019CWE-79EPSS 1.60%

Overview

CVE-2018-20807 is a medium-severity vulnerability. It was published on June 28, 2019 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An XSS issue has been found in welcome.cgi in Pulse Secure Pulse Connect Secure (PCS) 8.1.x before 8.1R12, 8.2.x before 8.2R9, and 8.3.x before 8.3R3 due to one of the URL parameters not being sanitized properly.

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.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730/Refkb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-20807?

CVE-2018-20807 is a medium-severity vulnerability. It was published on June 28, 2019 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

How severe is CVE-2018-20807?

This vulnerability has a CVSS 3.0 base score of 6.1, 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-2018-20807?

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-2018-20807?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-20807 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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