CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-20986
High (7.5). EPSS 1.0% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- hilscher:profinet_io_device_firmware
- pepperl-fuchs:ohv-f230-b17_firmware
- pepperl-fuchs:oit500-f113b17-cb_firmware
- pepperl-fuchs:pcv100-f200-b17-v1d-6011-6997_firmware
- pepperl-fuchs:pcv100-f200-b17-v1d-6011-8203_firmware
- pepperl-fuchs:pcv100-f200-b17-v1d-6011_firmware
- pepperl-fuchs:pcv100-f200-b17-v1d_firmware
- pepperl-fuchs:pcv50-f200-b17-v1d_firmware
- pepperl-fuchs:pcv80-f200-b17-v1d_firmware
- pepperl-fuchs:pgv100-f200-b17-v1d-7477_firmware
- pepperl-fuchs:pgv100-f200a-b17-v1d_firmware
- pepperl-fuchs:pgv100a-f200-b28-v1d_firmware
- pepperl-fuchs:pgv100a-f200a-b28-v1d_firmware
- pepperl-fuchs:pgv100aq-f200-b28-v1d_firmware
- pepperl-fuchs:pgv100aq-f200a-b28-v1d_firmware
- pepperl-fuchs:pgv150i-f200a-b17-v1d_firmware
- pepperl-fuchs:pha_firmware
- pepperl-fuchs:pxv100-f200-b17-v1d-3636_firmware
- pepperl-fuchs:pxv100-f200-b17-v1d_firmware
- pepperl-fuchs:pxv100a-f200-b28-v1d-6011_firmware
- pepperl-fuchs:pxv100a-f200-b28-v1d_firmware
- pepperl-fuchs:pxv100aq-f200-b28-v1d-6011_firmware
- pepperl-fuchs:pxv100aq-f200-b28-v1d_firmware
- pepperl-fuchs:wcs_firmware
References
- https://cert.vde.com/en-us/advisories/vde-2021-006
- https://kb.hilscher.com/display/ISMS/2020-12-03+Denial+of+Service+vulnerability+in+PROFINET+IO+Device
- https://cert.vde.com/en-us/advisories/vde-2021-006
- https://kb.hilscher.com/display/ISMS/2020-12-03+Denial+of+Service+vulnerability+in+PROFINET+IO+Device