A vulnerability, which was classified as critical, was found in WAGO PFC200 03.00.39(12)/03.01.07(13)/03.02.02(14). This affects some unknown processing of the component Cloud Connectivity. The manipulation of the argument TimeoutUnconfirmed as part of a Parameter leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An exploitable command injection vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 Firmware versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). An attacker can inject OS commands into the TimeoutUnconfirmed parameter value contained in the Firmware Update command.

The weakness was released 03/11/2020. This vulnerability is uniquely identified as CVE-2019-5157 since 01/04/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. Required for exploitation is a authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-151315, VDB-151314, VDB-151310 and VDB-151309.

Productinfo

Vendor

• WAGO

Name

• PFC200

Version

• 03.00.39(12)
• 03.01.07(13)
• 03.02.02(14)

License

• commercial

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CPE 2.2info

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