Vulnerability · Published Sep 30, 2022 · Assigned by hackerone

CVE-2022-21826

Medium 5.4

In plain English

A medium-severity security flaw in Pulse Connect Secure VPN Server. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 46.0% (higher than 99% of all known vulnerabilities).

Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)46.0%top 1.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
n/a Pulse Connect Secure VPN Server 9.1R14 and below

Weakness: CWE-444

References