Siemens QMS Automotive prior 12.39 QMS.Mobile signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Siemens QMS Automotive. The impacted element is an unknown function of the component QMS.Mobile Module. This manipulation causes signature verification. This vulnerability is handled as CVE-2023-40727. It is possible to launch the attack on the local host. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Siemens QMS Automotive and classified as critical. Affected by this vulnerability is some unknown functionality of the component QMS.Mobile Module. The manipulation with an unknown input leads to a signature verification vulnerability. The CWE definition for the vulnerability is CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in QMS Automotive (All versions < V12.39). The QMS.Mobile module of the affected application uses weak outdated application signing mechanism. This could allow an attacker to tamper the application code.

The weakness was released 09/12/2023 as ssa-147266. The advisory is shared at cert-portal.siemens.com. This vulnerability is known as CVE-2023-40727 since 08/21/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 12.39 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Siemens AG): 🔍

CVSSv2info

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

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: QMS Automotive 12.39

Timelineinfo

08/21/2023 🔍
09/12/2023 +22 days 🔍
09/12/2023 +0 days 🔍
09/12/2023 +0 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-147266
Status: Confirmed

CVE: CVE-2023-40727 (🔍)
GCVE (CVE): GCVE-0-2023-40727
GCVE (VulDB): GCVE-100-239521

Entryinfo

Created: 09/12/2023 18:22
Changes: 09/12/2023 18:22 (49)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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