CVEvulnerability

CVE-2021-34570

7.5 HIGH Published 2021-09-27 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-09-27
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

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.

Affected configurations

• phoenixcontact plcnext technology starterkit firmware (< 2021.0.5) • phoenixcontact axc f 2152 starterkit firmware (< 2021.0.5) • phoenixcontact rfc 4072s firmware (< 2021.0.5) • phoenixcontact axc f 3152 firmware (< 2021.0.5) • phoenixcontact axc f 1152 firmware (< 2021.0.5) • phoenixcontact axc f 2152 firmware (< 2021.0.5)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References