CVE-2025-6391— JSON Web Token (JWT) Exposure in Log Files
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I. Basic Information for CVE-2025-6391
Vulnerability Information
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Vulnerability Title
JSON Web Token (JWT) Exposure in Log Files
Source: NVD (National Vulnerability Database)
Vulnerability Description
Brocade ASCG before 3.3.0 logs JSON Web Tokens (JWT) in log files. An attacker with access to the log files can withdraw the unencrypted tokens with security implications, such as unauthorized access, session hijacking, and information disclosure.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过日志文件的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Brocade ASCG 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Brocade ASCG是美国博科（Brocade）公司的一种网络功能，主要用于简化SAN架构和优化资源利用。 Brocade ASCG 3.3.0之前版本存在日志信息泄露漏洞，该漏洞源于日志文件中记录未加密的JWT令牌，可能导致未授权访问和会话劫持。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Broadcom | Brocade ASCG | before 3.3.0 | - |
II. Public POCs for CVE-2025-6391
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Broadcom · 2025-07-17 · 3 CVEs total
| CVE-2025-7398 | Medium Strength Cipher Suites detected on port on ports 9000 and 8036 | |
| CVE-2025-7397 | CLI history displays inline passwords |
IV. Related Vulnerabilities
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Elevation of Privileges in Web Security Services (WSS) Agent
Same weakness: CWE-532
- CVE-2026-42282
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n8n-MCP Logs Sensitive Request Data on Unauthorized /mcp Req - CVE-2026-41004
VMware Spring Cloud Config 日志信息泄露漏洞 - CVE-2024-30151
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PaperCut Hive (Ricoh): Plain text password in logs
V. Comments for CVE-2025-6391
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