Hilscher rcX RTOS up to 2.1.14.0 UDP Packet Length denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Hilscher rcX RTOS up to 2.1.14.0. This vulnerability affects unknown code of the component UDP Packet Length Handler. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2021-20988. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Hilscher rcX RTOS up to 2.1.14.0. This vulnerability affects an unknown part of the component UDP Packet Length Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was shared 05/13/2021 as vde-2021-018. The advisory is shared for download at cert.vde.com. This vulnerability was named CVE-2021-20988. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 2.1.14.1 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: rcX RTOS 2.1.14.1

Timelineinfo

12/17/2020 🔍
05/13/2021 +146 days 🔍
05/13/2021 +0 days 🔍
05/16/2021 +3 days 🔍

Sourcesinfo

Advisory: vde-2021-018
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-20988 (🔍)
GCVE (CVE): GCVE-0-2021-20988
GCVE (VulDB): GCVE-100-175024

Entryinfo

Created: 05/13/2021 19:28
Updated: 05/16/2021 08:50
Changes: 05/13/2021 19:28 (40), 05/16/2021 08:47 (2), 05/16/2021 08:50 (1)
Complete: 🔍
Cache ID: 216::103

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