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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (65.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000
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
- kb.hilscher.com/pages/viewpage.action (Vendor Advisory)
- cert.vde.com/en-us/advisories/vde-2021-007 (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.