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I. Basic Information for CVE-2009-4409
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The (1) CHAP and (2) MS-CHAP-V2 authentication capabilities in the PPP Access Concentrator (PPPAC) function in Internet Initiative Japan SEIL/B1 firmware 1.00 through 2.52 use the same challenge for each authentication attempt, which allows remote attackers to bypass authentication via a replay attack.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
SEIL/B1 PPP Access集中器验证绕过漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Internet Initiative Japan SEIL/B1 firmware中的PPP Access Concentrator (PPPAC)函数的(1)CHAP和(2)MS-CHAP-V2验证能力对每一个验证尝试使用同样的挑战,远程攻击者可以借助一个重复攻击绕过验证。
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
VendorProductAffected VersionsCPESubscribe
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II. Public POCs for CVE-2009-4409
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III. Intelligence Information for CVE-2009-4409
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IV. Related Vulnerabilities
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