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CVE-2020-12521

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CVE-2020-12521

Published: Dec 17, 2020

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

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.

VendorProductVersions

Phoenix Contact

AXC F 1152 (1151412)

affected
unspecified - < 2021.0 LTS

Phoenix Contact

AXC F 2152 (2404267)

affected
unspecified - < 2021.0 LTS

Phoenix Contact

AXC F 3152 (1069208)

affected
unspecified - < 2021.0 LTS

Phoenix Contact

RFC 4072S (1051328

affected
unspecified - < 2021.0 LTS

Phoenix Contact

AXC F 2152 Starterkit (1046568)

affected
unspecified - < 2021.0 LTS

Phoenix Contact

PLCnext Technology Starterkit (1188165)

affected
unspecified - < 2021.0 LTS

Weaknesses (CWE)

CWE-20

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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