CVE-2009-4409

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…

published December 23, 2009

CVSS
—
EPSS
1%
Percentile
71.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01356 · 71.4th percentile
Published
2009-12-23T21:00Z
EPSS history
Timeline
  • 23 DEC 21:00Z
    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…
    cvelistv5