Hilscher EtherNet-IP Core prior 2.13.0.21 Ethernet EtherNet/IP stack-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.3 | $0-$5k | 0.00 |
A vulnerability has been found in Hilscher EtherNet-IP Core and classified as critical. This vulnerability affects an unknown functionality of the file EtherNet/IP of the component Ethernet Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect availability.
The weakness was released 02/16/2021 as vde-2021-007. The advisory is shared for download at cert.vde.com. This vulnerability was named CVE-2021-20987. There are known technical details, but no exploit is available.
Upgrading to version 2.13.0.21 eliminates this vulnerability. The upgrade is hosted for download at kb.hilscher.com.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.6VulDB Meta Temp Score: 8.5
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: EtherNet-IP Core 2.13.0.21
Timeline
12/17/2020 🔍02/16/2021 🔍
02/16/2021 🔍
03/02/2021 🔍
Sources
Advisory: vde-2021-007Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-20987 (🔍)
Entry
Created: 02/16/2021 22:17Updated: 03/02/2021 07:56
Changes: 02/16/2021 22:17 (41), 03/02/2021 07:50 (5), 03/02/2021 07:56 (19)
Complete: 🔍
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