VULNERABILITY INTELLIGENCE
CVE-2023-4639
CVSS score7.4 HIGH
EPSS probability1.09%
CISA KEVNot currently listed
Published2024-11-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Description
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.
Weakness classification
- secalert@redhat.com: CWE-444