Phoenix Contact PLCnext prior 2021.0 LTS LLDP Packet denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Phoenix Contact PLCnext. Affected is an unknown function of the component LLDP Packet Handler. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2020-12521. The attack can only be initiated within the local network. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Phoenix Contact PLCnext. It has been rated as problematic. This issue affects an unknown functionality of the component LLDP Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was disclosed 12/18/2020 as vde-2020-049. The advisory is shared at cert.vde.com. The identification of this vulnerability is CVE-2020-12521. Neither technical details nor an exploit are publicly available.

Upgrading to version 2021.0 LTS eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PLCnext 2021.0 LTS

Timelineinfo

12/18/2020 🔍
12/18/2020 +0 days 🔍
12/18/2020 +0 days 🔍

Sourcesinfo

Advisory: vde-2020-049
Status: Confirmed

CVE: CVE-2020-12521 (🔍)
GCVE (CVE): GCVE-0-2020-12521
GCVE (VulDB): GCVE-100-166517

Entryinfo

Created: 12/18/2020 06:39
Changes: 12/18/2020 06:39 (38)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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