CVE-2022-21826

MEDIUM

Ivanti Connect Secure < 9.1 - HTTP Request Smuggling

Title source: rule
STIX 2.1

Description

Pulse Secure version 9.115 and below may be susceptible to client-side http request smuggling, When the application receives a POST request, it ignores the request's Content-Length header and leaves the POST body on the TCP/TLS socket. This body ends up prefixing the next HTTP request sent down that connection, this means when someone loads website attacker may be able to make browser issue a POST to the application, enabling XSS.

Scores

CVSS v3 5.4
EPSS 0.0590
EPSS Percentile 90.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-444
Status published
Products (2)
ivanti/connect_secure 9.1 (38 CPE variants)
pulsesecure/pulse_connect_secure < 9.1
Published Sep 30, 2022
Tracked Since Feb 18, 2026