CVE-2020-12521 - OpenCVE

On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS a specially crafted LLDP packet may lead to a high system load in the PROFINET stack. An attacker can cause failure of system services or a complete reboot.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

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

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Phoenixcontact	Axc F 1152 Axc F 2152 Axc F 2152 Starterkit Axc F 3152 Plcnext Firmware Plcnext Technology Starterkit Rfc 4072s

Configuration 1 [-]

AND

cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*

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

Configuration 2 [-]

AND

cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*

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

Configuration 3 [-]

AND

cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*

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

Configuration 4 [-]

AND

cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*

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

Configuration 5 [-]

AND

cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*

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

Configuration 6 [-]

AND

cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*

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

No data.

References

Link	Providers
https://cert.vde.com/en-us/advisories/vde-2020-049

History

No history.

MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published: 2020-12-17T22:43:14.654841Z

Updated: 2024-09-17T04:14:26.064Z

Reserved: 2020-04-30T00:00:00

Link: CVE-2020-12521

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2020-12-17T23:15:13.137

Modified: 2020-12-21T18:28:04.513

Link: CVE-2020-12521

Redhat

No data.

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