A vulnerability was found in WAGO 852-303, 852-1305 and 852-1505 (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code of the component SSH Keys Handler. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. Using CWE to declare the problem leads to CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded private keys for the SSH daemon. The fingerprint of the SSH host key from the corresponding SSH daemon matches the embedded private key.

The weakness was shared 06/17/2019. This vulnerability is handled as CVE-2019-12549 since 06/02/2019. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

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

The entry VDB-136575 is related to this item.

Productinfo

Vendor

• WAGO

Name

• 852-303
• 852-1305
• 852-1505

License

• commercial

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CPE 2.2info

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