CVE-2023-4639 HIGH

CVE-2023-4639: Undertow: cookie smuggling/spoofing

Vendor Red Hat
Product Red Hat JBoss Enterprise Application Platform 7
Weakness CWE-444
Published November 17, 2024
Last update February 7, 2025

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

A flaw was found in Undertow, which incorrectly parses cookies with certain value-delimiting characters in incoming requests. This issue could allow an attacker to construct a cookie value to exfiltrate HttpOnly cookie values or spoof arbitrary additional cookie values, leading to unauthorized data access or modification. The main threat from this flaw impacts data confidentiality and integrity.

Key dates

02Disclosure timeline

November 17, 2024 CVE published
February 7, 2025 Record updated