What’s Vulnerable › Vulnerabilities

CVE-2012-6571

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-06-20 · updated 2026-06-16
• Weakness: CWE-310

Description

The HTTP module in the (1) Branch Intelligent Management System (BIMS) and (2) web management components on Huawei AR routers and S2000, S3000, S3500, S3900, S5100, S5600, and S7800 switches uses predictable Session ID values, which makes it easier for remote attackers to hijack sessions via a brute-force attack.

Affected products

• Huawei Ar 18-1X: through r0130
• Huawei Ar 18-2X: through r1712
• Huawei Ar 18-3X: through r0118
• Huawei Ar 19/29/49: through r2207
• Huawei Ar 28/46: through r0311
• Huawei S2000: r6305
• Huawei S2300: r6305
• Huawei Technologies Co., Ltd. S2700: r6305
• Huawei S3000: r6305
• Huawei S3300: r6305
• Huawei S3300Hi: r6305
• Huawei S3500: r6305
• Huawei S3700: r6305
• Huawei S3900: r6305
• Huawei S5100: r6305
• Huawei S5600: r6305
• Huawei S7800: r6305
• Huawei S8500: r1631, r1632

References

• http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-u_194371.htm
• http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-u_194371.htm

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