CVE-2026-63315 in IPx
Summary
by MITRE • 10/15/2026
WebCTI service for Slican IPx telephone exchanges stores temporary subscriber password in plaintext. An attacker with access to the database can obtain the user's password and log in to the subscriber's account.
This issue was fixed in IPx series version 6.62.0100.
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Analysis
by VulDB Data Team • 10/15/2026
The vulnerability identified within the WebCTI service for Slican IPx telephone exchanges represents a critical failure in credential management practices, specifically categorized under CWE-319: Use of Cleartext Password. This flaw manifests as the storage of temporary subscriber passwords in plaintext format within the underlying database infrastructure. In secure systems, sensitive authentication data such as passwords must be protected through robust cryptographic hashing with unique salts to prevent reverse engineering or direct exposure even if the storage medium is compromised. The absence of these protections indicates a fundamental oversight in the application's security architecture during the development phase, where convenience or legacy compatibility may have been prioritized over basic security hygiene standards like those outlined in OWASP guidelines for password storage.
The operational impact of this vulnerability is severe due to the nature of the data involved and the potential attack vectors available to an adversary. An attacker who gains access to the database through SQL injection, server compromise, or other means can directly extract these plaintext passwords without needing to perform complex decryption operations. Since temporary subscriber passwords are often used for initial account setup or recovery processes, they may be simple or predictable in nature, further exacerbating the risk. Once obtained, these credentials allow the attacker to authenticate as legitimate subscribers, leading to unauthorized access to personal communication records, potential eavesdropping on calls if features permit, and manipulation of subscriber settings. This breach of confidentiality undermines trust in the telecommunications provider and can lead to significant regulatory penalties under data protection laws such as GDPR or HIPAA depending on the jurisdiction and type of customer data involved.
Furthermore, this vulnerability facilitates broader attack scenarios beyond simple account takeover. If users reuse passwords across multiple services, which is a common behavioral pattern, attackers can pivot from compromising the telephone exchange system to accessing other critical infrastructure or personal accounts associated with those individuals. This lateral movement potential increases the overall risk profile significantly. The lack of encryption also means that any backup processes, log files, or database dumps containing this information remain exposed indefinitely unless additional layers of protection are manually applied by administrators, which is often overlooked in routine operational procedures.
To mitigate this vulnerability and prevent recurrence, immediate remediation involves upgrading to IPx series version 6.62.0100 where the issue has been resolved. For systems that cannot be immediately upgraded, it is imperative to implement compensating controls such as encrypting sensitive fields at rest using strong algorithms like AES-256 with proper key management practices. Additionally, application-level changes should enforce hashing of all passwords upon creation or update, ensuring that even if the database is breached, the raw credentials remain obscured. Regular security audits and code reviews focusing on data handling procedures are essential to identify similar flaws in other modules. Monitoring for unusual authentication patterns can also help detect exploitation attempts early, although prevention through secure coding standards remains the most effective defense strategy against this class of vulnerabilities.