CVE-2026-5047 in SANnav
Summary
by MITRE • 10/08/2026
A vulnerability in Brocade SANnav before 2.4.0b and 3.0.0 prints encoded passwords and authentication tokens in log files. The vulnerability could allow an authenticated attacker with access to the log file including the SANnav supportsave to access the passwords.
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Analysis
by VulDB Data Team • 10/08/2026
The identified security flaw resides within Brocade SANnav management software, specifically affecting versions prior to 2.4.0b and version 3.0.0. This vulnerability is classified as an improper handling of authentication credentials in log files, which aligns with the Common Weakness Enumeration identifier CWE-532. The core technical issue involves the application's logging mechanism inadvertently capturing sensitive security artifacts during normal operational processes or administrative actions. Instead of masking these values using standard obfuscation techniques such as asterisks or hash functions, the system writes plaintext-encoded passwords and authentication tokens directly into the log files generated by the SANnav platform. This behavior represents a significant deviation from secure coding practices that mandate the exclusion or rigorous protection of sensitive data in persistent storage mechanisms like logs.
The operational impact of this vulnerability is severe due to the accessibility requirements for exploitation. An attacker must first possess valid credentials and achieve authenticated access to the SANnav interface. Once inside, the adversary can request a support save file, which aggregates various diagnostic information including system logs. Because these log files contain the unmasked passwords and tokens in their raw or encoded form, an attacker with read access to this data can extract them for offline cracking or direct reuse. This effectively bypasses the authentication layer entirely if the extracted credentials are reused on other systems or services that share password policies, leading to a complete compromise of confidentiality and potentially integrity within the storage area network environment managed by SANnav.
From an attack vector perspective, this vulnerability facilitates privilege escalation and lateral movement within the infrastructure. According to the MITRE ATT&CK framework, this behavior corresponds to techniques involving credential dumping or unauthorized access to stored credentials, specifically falling under T1003 which covers OS Credential Dumping, although in this context it is more accurately described as improper log sanitization leading to credential exposure (T1552.004 - Unsecured Credentials). The presence of these secrets in logs creates a persistent risk that extends beyond the immediate session, allowing attackers who gain access to backup systems or file shares containing SANnav logs to harvest credentials long after they were originally generated. This undermines the principle of least privilege and complicates incident response efforts by leaving clear traces of compromised accounts in plain text within administrative artifacts.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. The primary defense is to upgrade the Brocade SANnav software to version 2.4.0b or later, where this logging behavior has been corrected to properly mask sensitive data. In environments where upgrading is not immediately feasible, administrators should implement strict access controls around log file storage locations, ensuring that only highly privileged security personnel can view these files and that they are encrypted at rest. Additionally, organizations should enforce regular rotation of administrative passwords and authentication tokens to limit the window of exposure if logs have already been compromised. Implementing centralized logging solutions with built-in data loss prevention capabilities can also help detect or prevent the storage of sensitive patterns in log streams before they become a persistent risk vector for attackers targeting network management infrastructure.