CVE-2020-12521

Published: Dic 17, 2020 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2020-4823 Aliases: GSD-2020-12521
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,5
Source: [email protected]
Attack Vector: adjacent_network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
MEDIUM 6,1
Source: [email protected]
Access Vector: adjacent_network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: complete

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0008
Percentile
0,2th
Updated

EPSS Score Trend (Last 90 Days)

20

Improper Input Validation

Stable
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Confidentiality Integrity
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Read Memory Read Files Or Directories Modify Memory Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
Operating System

Plcnext Firmware by Phoenixcontact

Product Information
Vendor Phoenixcontact
Product Plcnext Firmware
Version Range Affected
To 2021.0 (exclusive)
cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://cert.vde.com/en-us/advisories/vde-2020-049
Third Party Advisory
https://cert.vde.com/en-us/advisories/vde-2020-049
https://cert.vde.com/en-us/advisories/vde-2020-049
Third Party Advisory
https://cert.vde.com/en-us/advisories/vde-2020-049