Skip to content
Fencer Vulns
medium 6.1

CVE-2018-20808 json

An XSS issue has been found with rd.cgi in Pulse Secure Pulse Connect Secure 8.3RX before 8.3R3 due to improper header sanitization.

published 2019-03-16 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13350

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

An XSS issue has been found with rd.cgi in Pulse Secure Pulse Connect Secure 8.3RX before 8.3R3 due to improper header sanitization. This is not applicable to 8.1RX.

Exploit prediction

1.60% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.