CVE-2023-3453 in RAS
Summary
by MITRE • 08/24/2023
ETIC Telecom RAS versions 4.7.0 and prior the web management portal authentication disabled by default. This could allow an attacker with adjacent network access to alter the configuration of the device or cause a denial-of-service condition.
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Analysis
by VulDB Data Team • 06/07/2026
This vulnerability affects ETIC Telecom RAS devices running version 4.7.0 or earlier, specifically concerning the web management portal authentication mechanism. The flaw stems from a default configuration where authentication is disabled, creating a critical security exposure that allows unauthorized access to the device's management interface. This configuration issue represents a fundamental failure in the principle of least privilege and default security hardening practices. The vulnerability aligns with CWE-668, which describes "Exposure of Resource to Wrong Sphere" where a resource is made available to entities that should not have access to it. The default disablement of authentication creates an attack surface that directly violates security best practices outlined in NIST SP 800-125 and ISO/IEC 27001 standards. The security implications extend beyond simple unauthorized access, as the vulnerability enables attackers with adjacent network access to perform configuration changes that could compromise the entire device or network infrastructure.
The technical execution of this vulnerability relies on an attacker having adjacent network access to the device, which typically means they are on the same local network segment or have direct physical access to the network infrastructure. This adjacency requirement reduces the attack surface but does not eliminate the risk, as network segmentation is often not properly enforced in many environments. The lack of authentication mechanisms means that any network entity can interact with the web management portal without proper authorization, potentially allowing for configuration modifications, data manipulation, or service disruption. This vulnerability can be categorized under ATT&CK technique T1078.004, which covers "Valid Accounts: Cloud Accounts" but in this case represents a default configuration that effectively provides unauthorized access through the absence of authentication rather than compromised legitimate accounts. The attack vector is particularly concerning because it does not require sophisticated exploitation techniques or credential theft, making it accessible to attackers with basic network access.
The operational impact of this vulnerability is significant and multifaceted, encompassing potential configuration alterations, service disruption, and possible network compromise. An attacker could modify network settings, disable security features, or establish backdoors within the device configuration, effectively compromising the entire network segment. The risk of denial-of-service conditions is particularly concerning as attackers could disable critical services or corrupt configuration files, leading to complete service outages. This vulnerability could also facilitate lateral movement within the network if the RAS device serves as a gateway or router, potentially allowing attackers to escalate privileges and access other network resources. The impact extends to compliance and regulatory requirements, as this default configuration failure could result in violations of security standards such as PCI DSS, HIPAA, or SOX, depending on the industry sector. The vulnerability represents a critical weakness in the device's security posture and could be exploited to undermine the integrity and availability of the entire network infrastructure.
Mitigation strategies should focus on immediate configuration changes to enable authentication on the web management portal, followed by comprehensive network security measures to prevent unauthorized access. Organizations should implement mandatory authentication requirements for all management interfaces and establish strict access controls using role-based permissions. Network segmentation should be enforced to limit adjacent network access to only authorized personnel and systems, while implementing network access control lists and firewalls to restrict management interface access. The recommended approach aligns with NIST SP 800-125 guidelines for secure configuration management and follows the principle of defense in depth. Regular security audits and vulnerability assessments should be conducted to identify and remediate similar default configuration issues across the network infrastructure. Additionally, implementing network monitoring and intrusion detection systems can help detect unauthorized access attempts to management interfaces, providing early warning capabilities. Organizations should also consider implementing multi-factor authentication for management access and establish regular security training programs to ensure personnel understand the importance of proper device configuration and security hardening practices. The vulnerability underscores the critical importance of secure default configurations and the necessity of following security frameworks such as ISO 27001 and NIST cybersecurity guidelines to prevent similar issues in other network infrastructure components.