Cisco Network Assurance Engine 3.0(1) Management Web Interface hard-coded credentials

Summaryinfo

A vulnerability labeled as critical has been found in Cisco Network Assurance Engine 3.0(1). The affected element is an unknown function of the component Management Web Interface. Executing a manipulation can lead to hard-coded credentials. This vulnerability is registered as CVE-2019-1688. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in Cisco Network Assurance Engine 3.0(1). It has been declared as critical. This vulnerability affects an unknown part of the component Management Web Interface. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the management web interface of Cisco Network Assurance Engine (NAE) could allow an unauthenticated, local attacker to gain unauthorized access or cause a Denial of Service (DoS) condition on the server. The vulnerability is due to a fault in the password management system of NAE. An attacker could exploit this vulnerability by authenticating with the default administrator password via the CLI of an affected server. A successful exploit could allow the attacker to view potentially sensitive information or bring the server down, causing a DoS condition. This vulnerability affects Cisco Network Assurance Engine (NAE) Release 3.0(1). The default password condition only affects new installations of Release 3.0(1).

The bug was discovered 02/12/2019. The weakness was published 02/12/2019 as cisco-sa-20190212-nae-dos as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2019-1688 since 12/06/2018. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/10/2023). The MITRE ATT&CK project declares the attack technique as T1110.001.

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

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Productinfo

Vendor

• Cisco

Name

• Network Assurance Engine

Version

• 3.0(1)

License

• commercial

Website

• Vendor: https://www.cisco.com/

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