Vulnerability Report

CVE-2022-21826

Title: Client-Side HTTP Request Smuggling

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2022-21826.

CWE Category CWE-444

Published Date Sep 30, 2022

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 5.4 CVSS v3.1

Exploit Probability (EPSS)

45.23%

Vulnerability Summary

CVE-2022-21826: 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.

Impacted Vendors

juniper 1

pulsesecure 1

ivanti 1

Reference Links

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/Client-Side-Desync-Attack/ https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/Client-Side-Desync-Attack/

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.4

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-21826 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

September 30, 2022 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected Stack

No specific products linked.