VDB-250082 · CVE-2023-42797 · ssa-583634

Siemens CP-8031 MASTER MODULE/CP-8050 MASTER MODULE up to 05.19 Network Configuration uninitialized resource

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Siemens CP-8031 MASTER MODULE and CP-8050 MASTER MODULE up to 05.19. This affects an unknown function of the component Network Configuration Handler. Such manipulation leads to uninitialized resource. This vulnerability is uniquely identified as CVE-2023-42797. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Siemens CP-8031 MASTER MODULE and CP-8050 MASTER MODULE up to 05.19. It has been rated as critical. Affected by this issue is an unknown function of the component Network Configuration Handler. The manipulation with an unknown input leads to a uninitialized resource vulnerability. Using CWE to declare the problem leads to CWE-908. The product uses or accesses a resource that has not been initialized. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05.20), CP-8050 MASTER MODULE (All versions < CPCI85 V05.20). The network configuration service of affected devices contains a flaw in the conversion of ipv4 addresses that could lead to an uninitialized variable being used in succeeding validation steps. By uploading specially crafted network configuration, an authenticated remote attacker could be able to inject commands that are executed on the device with root privileges during device startup.

The weakness was disclosed 01/09/2024 as ssa-583634. The advisory is available at cert-portal.siemens.com. This vulnerability is handled as CVE-2023-42797 since 09/14/2023. The technical details are unknown and an exploit is not available.

Upgrading to version CPCI85 V05.20 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Siemens

Name

Version

License

commercial

Website

Vendor: https://www.siemens.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.6
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 6.6
CNA Vector (Siemens AG): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized resource
CWE: CWE-908
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CP-8031 MASTER MODULE/CP-8050 MASTER MODULE CPCI85 V05.20

Timelineinfo

09/14/2023 🔍
01/09/2024 +117 days 🔍
01/09/2024 +0 days 🔍
01/26/2024 +17 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-583634
Status: Confirmed

CVE: CVE-2023-42797 (🔍)
GCVE (CVE): GCVE-0-2023-42797
GCVE (VulDB): GCVE-100-250082

Entryinfo

Created: 01/09/2024 12:49
Updated: 01/26/2024 08:48
Changes: 01/09/2024 12:49 (50), 01/26/2024 08:48 (11)
Complete: 🔍
Cache ID: 216::103