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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Hilscher EtherNet-IP Core. This affects an unknown part of the file EtherNet/IP of the component Ethernet Handler. Executing a manipulation can lead to stack-based overflow. This vulnerability is handled as CVE-2021-20987. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

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 (🔍)
GCVE (CVE): GCVE-0-2021-20987
GCVE (VulDB): GCVE-100-169996

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: 🔍
Cache ID: 216::103

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