🛡️ CVE-2023-4639
🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-444 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE CWE-444
Public Exploit ✅ No
Source NVD
Published 2024-11-17
Updated 2026-06-15
Modified 2025-02-07
Fix URL N/A

Affected Packages

Software From version Fixed in
io.undertow:undertow-core 2.2.30.Final
undertow 2.3.18-1
unknown

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