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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://cert.vde.com/en/advisories/VDE-2021-029/	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:phoenixcontact:plcnext_technology_starterkit_firmware:*:*:*:*:lts:*:*:*

cpe:2.3:h:phoenixcontact:plcnext_technology_starterkit:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:phoenixcontact:axc_f_2152_starterkit_firmware:*:*:*:*:lts:*:*:*

cpe:2.3:h:phoenixcontact:axc_f_2152_starterkit:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:phoenixcontact:rfc_4072s_firmware:*:*:*:*:lts:*:*:*

cpe:2.3:h:phoenixcontact:rfc_4072s:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:phoenixcontact:axc_f_3152_firmware:*:*:*:*:lts:*:*:*

cpe:2.3:h:phoenixcontact:axc_f_3152:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:phoenixcontact:axc_f_1152_firmware:*:*:*:*:lts:*:*:*

cpe:2.3:h:phoenixcontact:axc_f_1152:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:phoenixcontact:axc_f_2152_firmware:*:*:*:*:lts:*:*:*

cpe:2.3:h:phoenixcontact:axc_f_2152:-:*:*:*:*:*:*:*

Information

Published : 2021-09-27 02:15

Updated : 2022-07-28 03:40

NVD link : CVE-2021-34570

Mitre link : CVE-2021-34570

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

phoenixcontact

plcnext_technology_starterkit_firmware
axc_f_3152
rfc_4072s
axc_f_3152_firmware
axc_f_1152
axc_f_1152_firmware
axc_f_2152
axc_f_2152_starterkit
axc_f_2152_firmware
axc_f_2152_starterkit_firmware
rfc_4072s_firmware
plcnext_technology_starterkit

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