Vulnerability Monitor

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CVE-2020-7052


CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 15 products from codesys, from codesys, from codesys and 12 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2020-01-24T20:15:10.970

Last Modified

2024-11-21T05:36:34.220

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-770

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application codesys control_for_beaglebone < 3.5.15.30 Yes
Application codesys control_for_empc-a\/imx6 < 3.5.15.30 Yes
Application codesys control_for_iot2000 < 3.5.15.30 Yes
Application codesys control_for_linux < 3.5.15.30 Yes
Application codesys control_for_pfc100 < 3.5.15.30 Yes
Application codesys control_for_pfc200 < 3.5.15.30 Yes
Application codesys control_for_plcnext < 3.5.15.30 Yes
Application codesys control_for_raspberry_pi < 3.5.15.30 Yes
Application codesys control_rte < 3.5.15.30 Yes
Application codesys control_rte < 3.5.15.30 Yes
Application codesys control_runtime_system_toolkit < 3.5.15.30 Yes
Application codesys control_win < 3.5.15.30 Yes
Application codesys gateway < 3.5.15.30 Yes
Application codesys hmi < 3.5.15.30 Yes
Application codesys safety_sil2 < 3.5.15.30 Yes
Application codesys simulation_runtime < 3.5.15.30 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For codesys's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.