Vulnerability identifier: #VU56401

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2021-40346

CWE-ID: CWE-444

Exploitation vector: Network

Exploits in database: 3

• September 12, 2021
  • CVE-2021-40346 () [Github]
  • CVE-2021-40346-POC (CVE-2021-40346 integer overflow enables http smuggling) [Github]
  • CVE-2021-40346 (CVE-2021-40346 PoC (HAProxy HTTP Smuggling)) [Github]

Impact: Information disclosure and data manipulation

Vulnerable software:
HAProxy
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: HAProxy