CODESYS Control Runtime System up to 3.5.16.x Packet input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in CODESYS Control Runtime System up to 3.5.16.x. It has been declared as critical. Impacted is an unknown function of the component Packet Handler. The manipulation results in input validation. This vulnerability is reported as CVE-2021-29242. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in CODESYS Control Runtime System up to 3.5.16.x. Affected is some unknown processing of the component Packet Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 05/04/2021. The advisory is shared for download at customers.codesys.com. This vulnerability is traded as CVE-2021-29242. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.5.17.0 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Input validation
CWE: CWE-20
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: Control Runtime System 3.5.17.0

Timelineinfo

03/25/2021 🔍
05/04/2021 +39 days 🔍
05/04/2021 +0 days 🔍
05/07/2021 +3 days 🔍

Sourcesinfo

Advisory: customers.codesys.com
Status: Confirmed

CVE: CVE-2021-29242 (🔍)
GCVE (CVE): GCVE-0-2021-29242
GCVE (VulDB): GCVE-100-174432

Entryinfo

Created: 05/04/2021 07:11
Updated: 05/07/2021 13:17
Changes: 05/04/2021 07:11 (38), 05/07/2021 13:17 (5)
Complete: 🔍
Cache ID: 216::103

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