Buffer overflow in Hilscher Ethernet\/ip Adapter
CVE-2021-20987
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.
Vulnerability class: Buffer Overflow
EPSS: 0.011 (62.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Hilscher Ethernet\/ip_adapter
- Hilscher Ethernet\/ip_adapter_firmware
- Hilscher Ethernet/ip Core V2 — versions V2
- Pepper+fuchs Pcv/pxv/pgv — versions 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 Wcs — versions WCS3B-LS510, WCS3B-LS510H, WCS3B-LS510D, WCS3B-LS510DH, WCS3B-LS510H-OM, WCS3B-LS510DH-OM, WCS3B-LS510D-OM, WCS3B-LS510-OM
- Pepperl-fuchs Pcv100-f200-b25-v1d-6011
- Pepperl-fuchs Pcv100-f200-b25-v1d-6011-6720
- Pepperl-fuchs Pcv100-f200-b25-v1d-6011-6720_firmware
- Pepperl-fuchs Pcv100-f200-b25-v1d-6011_firmware
- Pepperl-fuchs Pcv50-f200-b25-v1d
Weakness classification (CWE)
References
- info@cert.vde.com (x_refsource_CONFIRM, Vendor Advisory)
- info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20987?
- CVE-2021-20987 is a high-severity vulnerability in Hilscher Ethernet\/ip Adapter, classified under Out-of-bounds Write. CVSS score: 8.6/10. Published 2021-02-16.
- How severe is CVE-2021-20987?
- High severity. CVSS v3 base score is 8.6 out of 10.