CVE-2009-4409

CVE-2009-4409 · LOW Severity

AV:N/AC:H/AU:N/C:N/I:P/A:N

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.

Learn more about our Web Application Penetration Testing UK.