CODESYS Control Runtime System prior 3.5.17.10 heap-based overflow

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 and classified as critical. Affected by this issue is some unknown functionality. The manipulation leads to heap-based overflow. This vulnerability is handled as CVE-2021-33485. There is no exploit available. It is recommended to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability has been found in CODESYS Control Runtime System and classified as critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 08/04/2021. The advisory is shared at customers.codesys.com. This vulnerability is known as CVE-2021-33485. Neither technical details nor an exploit are publicly available.

Upgrading to version 3.5.17.10 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

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 3.5.17.10

Timelineinfo

05/21/2021 🔍
08/04/2021 +75 days 🔍
08/04/2021 +0 days 🔍
08/07/2021 +3 days 🔍

Sourcesinfo

Advisory: customers.codesys.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-33485 (🔍)
GCVE (CVE): GCVE-0-2021-33485
GCVE (VulDB): GCVE-100-180049

Entryinfo

Created: 08/04/2021 12:34 PM
Updated: 08/07/2021 05:53 PM
Changes: 08/04/2021 12:34 PM (36), 08/07/2021 05:53 PM (3)
Complete: 🔍
Cache ID: 18:30A:40

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