VULNERABILITY INTELLIGENCE

CVE-2021-34570

CVSS score7.5 HIGH
EPSS probability0.98%
CISA KEVNot currently listed
Published2021-09-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Multiple Phoenix Contact PLCnext control devices in versions prior to 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests.

Weakness classification

  • info@cert.vde.com: CWE-20

Primary references