Siemens SIMATIC CP 1543-1 up to 4.0.49 authorization

Summaryinfo

A vulnerability was found in Siemens SIMATIC CP 1543-1 up to 4.0.49. It has been classified as problematic. This affects an unknown function. Performing a manipulation results in authorization. This vulnerability is known as CVE-2024-50310. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Siemens SIMATIC CP 1543-1 up to 4.0.49. This affects an unknown code block. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality. The summary by CVE is:

A vulnerability has been identified in SIMATIC CP 1543-1 V4.0 (6GK7543-1AX10-0XE0) (All versions >= V4.0.44 < V4.0.50). Affected devices do not properly handle authorization. This could allow an unauthenticated remote attacker to gain access to the filesystem.

It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2024-50310 since 10/22/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/12/2024).

Upgrading to version 4.0.50 eliminates this vulnerability.

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Productinfo

Type

• SCADA Software

Vendor

• Siemens

Name

• SIMATIC CP 1543-1

Version

• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5
• 4.0.6
• 4.0.7
• 4.0.8
• 4.0.9
• 4.0.10
• 4.0.11
• 4.0.12
• 4.0.13
• 4.0.14
• 4.0.15
• 4.0.16
• 4.0.17
• 4.0.18
• 4.0.19
• 4.0.20
• 4.0.21
• 4.0.22
• 4.0.23
• 4.0.24
• 4.0.25
• 4.0.26
• 4.0.27
• 4.0.28
• 4.0.29
• 4.0.30
• 4.0.31
• 4.0.32
• 4.0.33
• 4.0.34
• 4.0.35
• 4.0.36
• 4.0.37
• 4.0.38
• 4.0.39
• 4.0.40
• 4.0.41
• 4.0.42
• 4.0.43
• 4.0.44
• 4.0.45
• 4.0.46
• 4.0.47
• 4.0.48
• 4.0.49

License

• commercial

Website

• Vendor: https://www.siemens.com/

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