VULNERABILITY INTELLIGENCE

CVE-2022-21826

CVSS score5.4 MEDIUM
EPSS probability46.02%
CISA KEVNot currently listed
Published2022-09-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

  • support@hackerone.com: CWE-444
  • nvd@nist.gov: CWE-444

Primary references