medium
6.1
CWE
79
Advisory Published
Updated

CVE-2018-20807: XSS

First published: Sat Mar 16 2019(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Pulsesecure Pulse Connect Secure=8.1-r1.0
Pulsesecure Pulse Connect Secure=8.1-r1.1
Pulsesecure Pulse Connect Secure=8.1-r10.0
Pulsesecure Pulse Connect Secure=8.1-r11.0
Pulsesecure Pulse Connect Secure=8.1-r11.1
Pulsesecure Pulse Connect Secure=8.1-r2.0
Pulsesecure Pulse Connect Secure=8.1-r2.1
Pulsesecure Pulse Connect Secure=8.1-r3.1
Pulsesecure Pulse Connect Secure=8.1-r3.2
Pulsesecure Pulse Connect Secure=8.1-r4.0
Pulsesecure Pulse Connect Secure=8.1-r4.1
Pulsesecure Pulse Connect Secure=8.1-r5.0
Pulsesecure Pulse Connect Secure=8.1-r6.0
Pulsesecure Pulse Connect Secure=8.1-r7
Pulsesecure Pulse Connect Secure=8.1-r7.0
Pulsesecure Pulse Connect Secure=8.1-r8.0
Pulsesecure Pulse Connect Secure=8.1-r9.0
Pulsesecure Pulse Connect Secure=8.1-r9.1
Pulsesecure Pulse Connect Secure=8.1-r9.2
Pulsesecure Pulse Connect Secure=8.2-r1
Pulsesecure Pulse Connect Secure=8.2-r1.0
Pulsesecure Pulse Connect Secure=8.2-r1.1
Pulsesecure Pulse Connect Secure=8.2-r2.0
Pulsesecure Pulse Connect Secure=8.2-r3.0
Pulsesecure Pulse Connect Secure=8.2-r3.1
Pulsesecure Pulse Connect Secure=8.2-r4.0
Pulsesecure Pulse Connect Secure=8.2-r4.1
Pulsesecure Pulse Connect Secure=8.2-r5.0
Pulsesecure Pulse Connect Secure=8.2-r5.1
Pulsesecure Pulse Connect Secure=8.2-r6.0
Pulsesecure Pulse Connect Secure=8.2-r7.0
Pulsesecure Pulse Connect Secure=8.2-r7.1
Pulsesecure Pulse Connect Secure=8.2-r7.2
Pulsesecure Pulse Connect Secure=8.2-r8.0
Pulsesecure Pulse Connect Secure=8.2-r8.1
Pulsesecure Pulse Connect Secure=8.2-r8.2
Pulsesecure Pulse Connect Secure=8.3-r1
Pulsesecure Pulse Connect Secure=8.3-r2
Pulsesecure Pulse Connect Secure=8.3-r2.1
Ivanti Connect Secure=8.1-r1.0
Ivanti Connect Secure=8.1-r1.1
Ivanti Connect Secure=8.1-r10.0
Ivanti Connect Secure=8.1-r11.0
Ivanti Connect Secure=8.1-r11.1
Ivanti Connect Secure=8.1-r2.0
Ivanti Connect Secure=8.1-r2.1
Ivanti Connect Secure=8.1-r3.1
Ivanti Connect Secure=8.1-r3.2
Ivanti Connect Secure=8.1-r4.0
Ivanti Connect Secure=8.1-r4.1
Ivanti Connect Secure=8.1-r5.0
Ivanti Connect Secure=8.1-r6.0
Ivanti Connect Secure=8.1-r7
Ivanti Connect Secure=8.1-r7.0
Ivanti Connect Secure=8.1-r8.0
Ivanti Connect Secure=8.1-r9.0
Ivanti Connect Secure=8.1-r9.1
Ivanti Connect Secure=8.1-r9.2
Ivanti Connect Secure=8.2-r1
Ivanti Connect Secure=8.2-r1.0
Ivanti Connect Secure=8.2-r1.1
Ivanti Connect Secure=8.2-r2.0
Ivanti Connect Secure=8.2-r3.0
Ivanti Connect Secure=8.2-r3.1
Ivanti Connect Secure=8.2-r4.0
Ivanti Connect Secure=8.2-r4.1
Ivanti Connect Secure=8.2-r5.0
Ivanti Connect Secure=8.2-r5.1
Ivanti Connect Secure=8.2-r6.0
Ivanti Connect Secure=8.2-r7.0
Ivanti Connect Secure=8.2-r7.1
Ivanti Connect Secure=8.2-r7.2
Ivanti Connect Secure=8.2-r8.0
Ivanti Connect Secure=8.2-r8.1
Ivanti Connect Secure=8.2-r8.2
Ivanti Connect Secure=8.3-r1
Ivanti Connect Secure=8.3-r2
Ivanti Connect Secure=8.3-r2.1

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-20807 about?

    CVE-2018-20807 is an XSS issue 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.

  • What is the severity of CVE-2018-20807?

    The severity of CVE-2018-20807 is medium with a CVSS score of 6.1.

  • What software versions are affected by CVE-2018-20807?

    Pulse Secure Pulse Connect Secure (PCS) versions 8.1.x before 8.1R12, 8.2.x before 8.2R9, and 8.3.x before 8.3R3 are affected by CVE-2018-20807.

  • How can Pulse Secure Pulse Connect Secure (PCS) be fixed to address CVE-2018-20807?

    To fix CVE-2018-20807, update Pulse Secure Pulse Connect Secure (PCS) to version 8.1R12, 8.2R9, or 8.3R3.

  • Where can I find more information about CVE-2018-20807?

    More information about CVE-2018-20807 can be found in the following knowledge base article: [link](https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730/)

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