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CVE-2018-18940

6.1 · MEDIUM

servlet/SnoopServlet (a servlet installed by default) in Netscape Enterprise 3.63 has reflected XSS via an arbitrary parameter=[XSS] in the query string.

Published Jan 31, 2019CWE-79EPSS 1.42%

Overview

CVE-2018-18940 is a medium-severity vulnerability. It was published on January 31, 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

servlet/SnoopServlet (a servlet installed by default) in Netscape Enterprise 3.63 has reflected XSS via an arbitrary parameter=[XSS] in the query string. A remote unauthenticated attacker could potentially exploit this vulnerability to supply malicious HTML or JavaScript code to a vulnerable web application, which is then reflected back to the victim and executed by the web browser. NOTE: this product is discontinued.

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

Refpacketstormsecurity.com/files/150262/Netscape-Enterprise-3.63-Cross-Site-Scripting.htmlRefseclists.org/fulldisclosure/2018/Nov/31Refpacketstormsecurity.com/files/150262/Netscape-Enterprise-3.63-Cross-Site-Scripting.htmlRefseclists.org/fulldisclosure/2018/Nov/31

How CyberStrike helps

Frequently asked questions

What is CVE-2018-18940?

CVE-2018-18940 is a medium-severity vulnerability. It was published on January 31, 2019 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

How severe is CVE-2018-18940?

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-2018-18940?

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-2018-18940?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-18940 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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