SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 8.6EPSS 1.14%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS
1.14% probability · 65th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
hilscher/ethernet\/ip adapter firmware · pepperl-fuchs/wcs firmware · pepperl-fuchs/pxv100-f200-b25-v1d firmware · pepperl-fuchs/pxv100i-f200-b25-v1d firmware · pepperl-fuchs/pcv100-f200-b25-v1d-6011-6720 firmware · pepperl-fuchs/pcv50-f200-b25-v1d firmware · pepperl-fuchs/pcv80-f200-b25-v1d firmware · pepperl-fuchs/pcv100-f200-b25-v1d-6011 firmware
Source
info@cert.vde.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.