Cisco vManage Remote Code Execution Scanner

Cisco vManage is a network management software solution designed to configure, manage, and monitor Cisco SD-WAN components. It primarily serves enterprises and service providers for deploying scalable and secure wide-area networks. Users rely on vManage to streamline network operations, monitor system performance, and enhance connectivity. The platform supports centralized management, making it effective for large network environments. Integrations with other Cisco products enable an efficient workflow. vManage is a critical tool used for automation, analytics, and assurance in network operations.

The Remote Code Execution (RCE) vulnerability in the context of this scanner allows attackers to execute arbitrary code on the target system. This vulnerability leverages weaknesses in the Apache Log4j framework used by Cisco vManage. Successful exploitation could lead to significant security breaches, including unauthorized access and data corruption. RCE vulnerabilities are critically severe, often granting attackers full control over affected systems. Mitigating such vulnerabilities is crucial to protect organizational assets. The intent of exploiting RCE can range from data theft to launching further attacks.

The vulnerability involves the misuse of the Apache Log4j logging framework, where a JNDI lookup can lead to remote code execution. Attackers can manipulate log messages or log message parameters to execute arbitrary code. This specific implementation allows the injection of JNDI lookups using crafted log messages, which redirect to malicious LDAP servers. Once the resource is accessed, it can execute code provided by the attacker. The scanner checks the "/j_security_check" endpoint to determine this vulnerability. Parameters such as "j_username" are crucial in this detection process.

If exploited, the Remote Code Execution vulnerability could result in unauthorized access to the system, data theft, or corruption. Malicious actors might gain control of the affected system to deploy malware or further infiltrate the network. Organizations may face significant operational disruptions and data breaches. Furthermore, reputation damage and compliance risks could arise from such security incidents. Thoroughly addressing the vulnerability is essential to mitigate these impacts. It demonstrates the importance of proactively managing security vulnerabilities in critical software components.

REFERENCES

• https://www.tenable.com/plugins/nessus/161212
• https://logging.apache.org/log4j/2.x/security.html
• https://nvd.nist.gov/vuln/detail/CVE-2021-44228