Vulnerability Monitor

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CVE-2021-20986


A Denial of Service vulnerability was found in Hilscher PROFINET IO Device V3 in versions prior to V3.14.0.7. This may lead to unexpected loss of cyclic communication or interruption of acyclic communication.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 73 products from hilscher, from hilscher, from pepperl-fuchs and 70 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, 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

2021-02-16T17:15:12.817

Last Modified

2024-11-21T05:47:20.170

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-787
  • Type: Primary
    CWE-787

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System hilscher profinet_io_device_firmware < 3.14.0.7 Yes
Hardware hilscher profinet_io_device - No
Operating System pepperl-fuchs pgv100-f200a-b17-v1d_firmware ≤ 2.0.0 Yes
Hardware pepperl-fuchs pgv100-f200a-b17-v1d - No
Operating System pepperl-fuchs pgv150i-f200a-b17-v1d_firmware ≤ 2.0.0 Yes
Hardware pepperl-fuchs pgv150i-f200a-b17-v1d - No
Operating System pepperl-fuchs pgv100-f200-b17-v1d-7477_firmware ≤ 2.0.0 Yes
Hardware pepperl-fuchs pgv100-f200-b17-v1d-7477 - No
Operating System pepperl-fuchs pxv100-f200-b17-v1d_firmware ≤ 4.2.0 Yes
Hardware pepperl-fuchs pxv100-f200-b17-v1d - No
Operating System pepperl-fuchs pxv100-f200-b17-v1d-3636_firmware ≤ 4.2.0 Yes
Hardware pepperl-fuchs pxv100-f200-b17-v1d-3636 - No
Operating System pepperl-fuchs pcv80-f200-b17-v1d_firmware ≤ 3.2.3 Yes
Hardware pepperl-fuchs pcv80-f200-b17-v1d - No
Operating System pepperl-fuchs pcv100-f200-b17-v1d_firmware ≤ 3.2.3 Yes
Hardware pepperl-fuchs pcv100-f200-b17-v1d - No
Operating System pepperl-fuchs pcv50-f200-b17-v1d_firmware ≤ 3.2.3 Yes
Hardware pepperl-fuchs pcv50-f200-b17-v1d - No
Operating System pepperl-fuchs pcv100-f200-b17-v1d-6011-6997_firmware ≤ 3.2.3 Yes
Hardware pepperl-fuchs pcv100-f200-b17-v1d-6011-6997 - No
Operating System pepperl-fuchs pcv100-f200-b17-v1d-6011_firmware ≤ 3.2.5 Yes
Hardware pepperl-fuchs pcv100-f200-b17-v1d-6011 - No
Operating System pepperl-fuchs pcv100-f200-b17-v1d-6011-8203_firmware ≤ 3.2.5 Yes
Hardware pepperl-fuchs pcv100-f200-b17-v1d-6011-8203 - No
Operating System pepperl-fuchs pxv100a-f200-b28-v1d_firmware ≤ 1.0.3 Yes
Hardware pepperl-fuchs pxv100a-f200-b28-v1d - No
Operating System pepperl-fuchs pxv100a-f200-b28-v1d-6011_firmware ≤ 1.0.3 Yes
Hardware pepperl-fuchs pxv100a-f200-b28-v1d-6011 - No
Operating System pepperl-fuchs pgv100a-f200-b28-v1d_firmware ≤ 1.0.3 Yes
Hardware pepperl-fuchs pgv100a-f200-b28-v1d - No
Operating System pepperl-fuchs pgv100a-f200a-b28-v1d_firmware ≤ 1.0.3 Yes
Hardware pepperl-fuchs pgv100a-f200a-b28-v1d - No
Operating System pepperl-fuchs pgv100aq-f200a-b28-v1d_firmware ≤ 2.1.1 Yes
Hardware pepperl-fuchs pgv100aq-f200a-b28-v1d - No
Operating System pepperl-fuchs pgv100aq-f200-b28-v1d_firmware ≤ 2.1.1 Yes
Hardware pepperl-fuchs pgv100aq-f200-b28-v1d - No
Operating System pepperl-fuchs pxv100aq-f200-b28-v1d_firmware ≤ 2.1.1 Yes
Hardware pepperl-fuchs pxv100aq-f200-b28-v1d - No
Operating System pepperl-fuchs pxv100aq-f200-b28-v1d-6011_firmware ≤ 2.1.1 Yes
Hardware pepperl-fuchs pxv100aq-f200-b28-v1d-6011 - No
Operating System pepperl-fuchs ohv-f230-b17_firmware ≤ 1.1.0 Yes
Hardware pepperl-fuchs ohv-f230-b17 - No
Operating System pepperl-fuchs oit500-f113b17-cb_firmware ≤ 1.3.4 Yes
Hardware pepperl-fuchs oit500-f113b17-cb - No
Operating System pepperl-fuchs pha_firmware ≤ 3.1.5 Yes
Hardware pepperl-fuchs pha150-f200-b17-v1d - No
Hardware pepperl-fuchs pha150-f200a-b17-v1d - No
Hardware pepperl-fuchs pha200-f200-b17-v1d - No
Hardware pepperl-fuchs pha200-f200a-b17-t-v1d - No
Hardware pepperl-fuchs pha200-f200a-b17-v1d - No
Hardware pepperl-fuchs pha300-f200-b17-t-v1d - No
Hardware pepperl-fuchs pha300-f200-b17-v1d - No
Hardware pepperl-fuchs pha300-f200a-b17-t-v1d - No
Hardware pepperl-fuchs pha300-f200a-b17-v1d - No
Hardware pepperl-fuchs pha400-f200-b17-v1d - No
Hardware pepperl-fuchs pha400-f200a-b17-t-v1d - No
Hardware pepperl-fuchs pha400-f200a-b17-v1d - No
Hardware pepperl-fuchs pha500-f200-b17-v1d - No
Hardware pepperl-fuchs pha500-f200a-b17-t-v1d - No
Hardware pepperl-fuchs pha500-f200a-b17-v1d - No
Hardware pepperl-fuchs pha600-f200-b17-v1d - No
Hardware pepperl-fuchs pha600-f200a-b17-v1d - No
Hardware pepperl-fuchs pha700-f200-b17-v1d - No
Hardware pepperl-fuchs pha800-f200-b17-v1d - No
Operating System pepperl-fuchs wcs_firmware ≤ 3.0.0 Yes
Hardware pepperl-fuchs wcs3b-ls610 - No
Hardware pepperl-fuchs wcs3b-ls610-om - No
Hardware pepperl-fuchs wcs3b-ls610d - No
Hardware pepperl-fuchs wcs3b-ls610d-om - No
Hardware pepperl-fuchs wcs3b-ls610dh - No
Hardware pepperl-fuchs wcs3b-ls610dh-om - No
Hardware pepperl-fuchs wcs3b-ls610h - No
Hardware pepperl-fuchs wcs3b-ls610h-om - No

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 hilscher'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.