SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-20808

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.

MEDIUM 6.1EPSS 1.60%

Does this matter?

Lower severity and a low EPSS score (1.60%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.0
6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.60% probability · 76th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
ivanti/connect secure
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 1.60%27 October 202627 October 2026

EPSS 1.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.