Hilscher EtherNet-IP Core prior 2.13.0.21 Ethernet EtherNet/IP stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.3$0-$5k0.00

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.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.6
VulDB 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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: EtherNet-IP Core 2.13.0.21

Timelineinfo

12/17/2020 🔍
02/16/2021 +61 days 🔍
02/16/2021 +0 days 🔍
03/02/2021 +14 days 🔍

Sourcesinfo

Advisory: vde-2021-007
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-20987 (🔍)

Entryinfo

Created: 02/16/2021 22:17
Updated: 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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