Siemens Desigo DXR2/Desigo PXC3/Desigo PXC4/Desigo PXC5 BACnet Protocol Packet denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Siemens Desigo DXR2, Desigo PXC3, Desigo PXC4 and Desigo PXC5. This vulnerability affects unknown code of the component BACnet Protocol Packet Handler. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2021-41545. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens Desigo DXR2, Desigo PXC3, Desigo PXC4 and Desigo PXC5 (affected version unknown). It has been declared as problematic. This vulnerability affects an unknown functionality of the component BACnet Protocol Packet 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 disclosed 05/10/2022 as ssa-662649. The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2021-41545 since 09/21/2021. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
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: Partially

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: 🔍

Timelineinfo

09/21/2021 🔍
05/10/2022 +231 days 🔍
05/10/2022 +0 days 🔍
05/12/2022 +2 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-662649
Status: Confirmed

CVE: CVE-2021-41545 (🔍)
GCVE (CVE): GCVE-0-2021-41545
GCVE (VulDB): GCVE-100-199312

Entryinfo

Created: 05/10/2022 15:00
Updated: 05/12/2022 10:00
Changes: 05/10/2022 15:00 (38), 05/12/2022 09:58 (1), 05/12/2022 10:00 (1)
Complete: 🔍
Cache ID: 216::103

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