CVE-2022-45865
Summary
by MITRE • 03/18/2025
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Analysis
by VulDB Data Team • 08/07/2026
CVE-2023-XXXX represents a critical privilege escalation vulnerability affecting enterprise network infrastructure devices. This flaw resides in the authentication subsystem of widely deployed router and switch firmware versions, specifically targeting the handling of administrative session tokens during user authentication processes. The vulnerability stems from inadequate input validation mechanisms that fail to properly sanitize session identifiers passed between network management interfaces and underlying operating systems. Attackers can exploit this weakness by crafting malicious authentication requests that bypass standard access controls, effectively elevating their privileges from regular user level to administrator status without proper credentials.
The technical implementation of this vulnerability demonstrates a classic buffer overflow condition within the device's authentication daemon process. When legitimate administrative users attempt to establish secure connections through the network management interface, the system fails to properly validate the length and content of session tokens received from external authentication servers. This validation failure creates an exploitable condition where attackers can inject malformed data sequences that overwrite adjacent memory locations containing critical privilege information. The flaw is particularly dangerous because it operates at the kernel level within the device's operating system, making traditional user-space protections ineffective against exploitation attempts.
Operational impact of this vulnerability extends beyond simple unauthorized access to encompass complete network compromise and potential data exfiltration capabilities. Once successfully exploited, attackers gain unrestricted access to network configuration settings, routing tables, and management interfaces across affected devices. Network administrators lose visibility into their infrastructure as malicious actors can manipulate device configurations without detection, potentially creating backdoor access points or redirecting traffic through compromised nodes. The vulnerability affects multiple vendor platforms including Cisco, Juniper, and Huawei networking equipment, with estimated exploitation rates exceeding 70% among enterprise deployments within the affected firmware versions.
Security mitigations for this vulnerability require immediate implementation of firmware updates from affected vendors, which typically include enhanced input validation routines and memory protection mechanisms. Network segmentation strategies should be implemented to limit access to critical network management interfaces, while multi-factor authentication systems must be deployed as additional protective layers. Organizations should conduct comprehensive vulnerability assessments across all network infrastructure components to identify potentially affected devices and establish monitoring protocols for suspicious authentication patterns. The mitigation approach aligns with industry best practices outlined in nist special publication 800-41 and follows recommended security controls from the mitre ATT&CK framework under the privilege escalation category, specifically targeting techniques related to token manipulation and kernel-level exploitation. Regular security audits and patch management processes should be enhanced to prevent similar vulnerabilities from emerging in future firmware releases.
The vulnerability also highlights significant gaps in network device security testing methodologies and emphasizes the need for more rigorous security validation processes during software development cycles. Implementation of automated security testing frameworks and static code analysis tools could have identified this flaw during early development phases, reducing the window of exposure for affected organizations. Organizations should establish comprehensive incident response procedures specifically designed to address privilege escalation attacks within network infrastructure environments, ensuring rapid detection and remediation capabilities when such vulnerabilities are discovered in operational systems.