High severity8.6NVD Advisory· Published Feb 16, 2021· Updated Jun 17, 2026
CVE-2021-20987
CVE-2021-20987
Description
A denial of service and memory corruption vulnerability was found in Hilscher EtherNet/IP Core V2 prior to V2.13.0.21that may lead to code injection through network or make devices crash without recovery.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
12- cpe:2.3:o:hilscher:ethernet\/ip_adapter_firmware:*:*:*:*:*:*:*:*Range: >=2.0,<2.13.0.21
- cpe:2.3:o:pepperl-fuchs:pcv100-f200-b25-v1d-6011-6720_firmware:*:*:*:*:*:*:*:*Range: <=1.10.0
- cpe:2.3:o:pepperl-fuchs:pcv100-f200-b25-v1d-6011_firmware:*:*:*:*:*:*:*:*Range: <=1.10.0
- cpe:2.3:o:pepperl-fuchs:pcv50-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*Range: <=1.10.0
- cpe:2.3:o:pepperl-fuchs:pcv80-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*Range: <=1.10.0
- cpe:2.3:o:pepperl-fuchs:pxv100-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*Range: <=1.10.0
- cpe:2.3:o:pepperl-fuchs:pxv100i-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*Range: <=1.10.0
<2.13.0.21+ 1 more
- (no CPE)range: <2.13.0.21
- (no CPE)range: V2
- Pepper+Fuchs/PCV/PXV/PGVv5Range: PXV100-F200-B25-V1D, PXV100I-F200-B25-V1D, PCV100-F200-B25-V1D-6011-6720, PCV50-F200-B25-V1D, PCV80-F200-B25-V1D, PCV100-F200-B25-V1D-6011
- Pepper+Fuchs/WCSv5Range: WCS3B-LS510, WCS3B-LS510H, WCS3B-LS510D, WCS3B-LS510DH, WCS3B-LS510H-OM, WCS3B-LS510DH-OM, WCS3B-LS510D-OM, WCS3B-LS510-OM
Patches
Vulnerability mechanics
References
2- cert.vde.com/en-us/advisories/vde-2021-007nvdThird Party Advisory
- kb.hilscher.com/pages/viewpage.actionnvdVendor Advisory
News mentions
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