High severity · published Feb 16, 2021
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…
8.6
CVSS
1.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EA
Ethernet/ip Adapter Firmware · Hilscher
2.0 before 2.13.0.21 · source: NVD
PF
PF
PF
PF
WF
Wcs Firmware · Pepperl-fuchs
through 1.2.1 · source: NVD