Vulnerability Monitor

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CVE-2021-34570

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.

Published

2021-09-27T09:15:07.750

Last Modified

2024-11-21T06:10:43.373

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System phoenixcontact plcnext_technology_starterkit_firmware < 2021.0.5 Yes
Hardware phoenixcontact plcnext_technology_starterkit - No
Operating System phoenixcontact axc_f_2152_starterkit_firmware < 2021.0.5 Yes
Hardware phoenixcontact axc_f_2152_starterkit - No
Operating System phoenixcontact rfc_4072s_firmware < 2021.0.5 Yes
Hardware phoenixcontact rfc_4072s - No
Operating System phoenixcontact axc_f_3152_firmware < 2021.0.5 Yes
Hardware phoenixcontact axc_f_3152 - No
Operating System phoenixcontact axc_f_1152_firmware < 2021.0.5 Yes
Hardware phoenixcontact axc_f_1152 - No
Operating System phoenixcontact axc_f_2152_firmware < 2021.0.5 Yes
Hardware phoenixcontact axc_f_2152 - No
References