CVE-2021-34570CWE-20

Phoenix Contact: DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS

High · published September 27, 2021

CVSS v3.1
7.5
EPSS
1%
Percentile
61.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00978 · 61.8th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2021-09-27T08:25Z
EPSS history
Timeline
  • 27 SEP 08:25Z
    Phoenix Contact: DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS
    cvelistv5