What is CVE-2018-20807?

CVE-2018-20807 is a medium-severity vulnerability in Ivanti Connect Secure, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-06-28.

How severe is CVE-2018-20807?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Ivanti Connect Secure

CVE-2018-20807

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.016 (73.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Ivanti Connect_secure — versions 8.1, 8.2, 8.3
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-20807?: CVE-2018-20807 is a medium-severity vulnerability in Ivanti Connect Secure, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-06-28.
How severe is CVE-2018-20807?: Medium severity. CVSS v3 base score is 6.1 out of 10.