// For flags

CVE-2021-20987

Hilscher: EtherNet/IP stack crash for specific CIP service

Severity Score

8.6
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se encontró una vulnerabilidad de denegación de servicio y corrupción de memoria en Hilscher EtherNet/IP Core versiones V2 anteriores a V2.13.0.21, que puede conllevar a una inyección de código a través de la red o hacer que los dispositivos se bloqueen sin recuperación

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-12-17 CVE Reserved
  • 2021-02-16 CVE Published
  • 2023-09-23 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Hilscher
Search vendor "Hilscher"
Ethernet\/ip Adapter Firmware
Search vendor "Hilscher" for product "Ethernet\/ip Adapter Firmware"
>= 2.0 < 2.13.0.21
Search vendor "Hilscher" for product "Ethernet\/ip Adapter Firmware" and version " >= 2.0 < 2.13.0.21"
-
Affected
in Hilscher
Search vendor "Hilscher"
Ethernet\/ip Adapter
Search vendor "Hilscher" for product "Ethernet\/ip Adapter"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs Firmware
Search vendor "Pepperl-fuchs" for product "Wcs Firmware"
<= 1.2.1
Search vendor "Pepperl-fuchs" for product "Wcs Firmware" and version " <= 1.2.1"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs3b-ls510
Search vendor "Pepperl-fuchs" for product "Wcs3b-ls510"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs Firmware
Search vendor "Pepperl-fuchs" for product "Wcs Firmware"
<= 1.2.1
Search vendor "Pepperl-fuchs" for product "Wcs Firmware" and version " <= 1.2.1"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs3b-ls510-om
Search vendor "Pepperl-fuchs" for product "Wcs3b-ls510-om"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs Firmware
Search vendor "Pepperl-fuchs" for product "Wcs Firmware"
<= 1.2.1
Search vendor "Pepperl-fuchs" for product "Wcs Firmware" and version " <= 1.2.1"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs3b-ls510d
Search vendor "Pepperl-fuchs" for product "Wcs3b-ls510d"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs Firmware
Search vendor "Pepperl-fuchs" for product "Wcs Firmware"
<= 1.2.1
Search vendor "Pepperl-fuchs" for product "Wcs Firmware" and version " <= 1.2.1"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs3b-ls510d-om
Search vendor "Pepperl-fuchs" for product "Wcs3b-ls510d-om"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs Firmware
Search vendor "Pepperl-fuchs" for product "Wcs Firmware"
<= 1.2.1
Search vendor "Pepperl-fuchs" for product "Wcs Firmware" and version " <= 1.2.1"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs3b-ls510dh
Search vendor "Pepperl-fuchs" for product "Wcs3b-ls510dh"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs Firmware
Search vendor "Pepperl-fuchs" for product "Wcs Firmware"
<= 1.2.1
Search vendor "Pepperl-fuchs" for product "Wcs Firmware" and version " <= 1.2.1"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs3b-ls510dh-om
Search vendor "Pepperl-fuchs" for product "Wcs3b-ls510dh-om"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs Firmware
Search vendor "Pepperl-fuchs" for product "Wcs Firmware"
<= 1.2.1
Search vendor "Pepperl-fuchs" for product "Wcs Firmware" and version " <= 1.2.1"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs3b-ls510h
Search vendor "Pepperl-fuchs" for product "Wcs3b-ls510h"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs Firmware
Search vendor "Pepperl-fuchs" for product "Wcs Firmware"
<= 1.2.1
Search vendor "Pepperl-fuchs" for product "Wcs Firmware" and version " <= 1.2.1"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wcs3b-ls510h-om
Search vendor "Pepperl-fuchs" for product "Wcs3b-ls510h-om"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pxv100-f200-b25-v1d Firmware
Search vendor "Pepperl-fuchs" for product "Pxv100-f200-b25-v1d Firmware"
<= 1.10.0
Search vendor "Pepperl-fuchs" for product "Pxv100-f200-b25-v1d Firmware" and version " <= 1.10.0"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pxv100-f200-b25-v1d
Search vendor "Pepperl-fuchs" for product "Pxv100-f200-b25-v1d"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pxv100i-f200-b25-v1d Firmware
Search vendor "Pepperl-fuchs" for product "Pxv100i-f200-b25-v1d Firmware"
<= 1.10.0
Search vendor "Pepperl-fuchs" for product "Pxv100i-f200-b25-v1d Firmware" and version " <= 1.10.0"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pxv100i-f200-b25-v1d
Search vendor "Pepperl-fuchs" for product "Pxv100i-f200-b25-v1d"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pcv100-f200-b25-v1d-6011-6720 Firmware
Search vendor "Pepperl-fuchs" for product "Pcv100-f200-b25-v1d-6011-6720 Firmware"
<= 1.10.0
Search vendor "Pepperl-fuchs" for product "Pcv100-f200-b25-v1d-6011-6720 Firmware" and version " <= 1.10.0"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pcv100-f200-b25-v1d-6011-6720
Search vendor "Pepperl-fuchs" for product "Pcv100-f200-b25-v1d-6011-6720"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pcv50-f200-b25-v1d Firmware
Search vendor "Pepperl-fuchs" for product "Pcv50-f200-b25-v1d Firmware"
<= 1.10.0
Search vendor "Pepperl-fuchs" for product "Pcv50-f200-b25-v1d Firmware" and version " <= 1.10.0"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pcv50-f200-b25-v1d
Search vendor "Pepperl-fuchs" for product "Pcv50-f200-b25-v1d"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pcv80-f200-b25-v1d Firmware
Search vendor "Pepperl-fuchs" for product "Pcv80-f200-b25-v1d Firmware"
<= 1.10.0
Search vendor "Pepperl-fuchs" for product "Pcv80-f200-b25-v1d Firmware" and version " <= 1.10.0"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pcv80-f200-b25-v1d
Search vendor "Pepperl-fuchs" for product "Pcv80-f200-b25-v1d"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pcv100-f200-b25-v1d-6011 Firmware
Search vendor "Pepperl-fuchs" for product "Pcv100-f200-b25-v1d-6011 Firmware"
<= 1.10.0
Search vendor "Pepperl-fuchs" for product "Pcv100-f200-b25-v1d-6011 Firmware" and version " <= 1.10.0"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Pcv100-f200-b25-v1d-6011
Search vendor "Pepperl-fuchs" for product "Pcv100-f200-b25-v1d-6011"
--
Safe