CVE-2009-4409

Severity CVSS v4.0:

Pending analysis

Type:

CWE-287 Authentication Issues

Publication date:

23/12/2009

Last modified:

09/04/2025

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.

Impact

Vector 2.0

AV:N/AC:H/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 2.60 LOW
Vector: AV:N/AC:H/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0

2.60

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:h:iij:seil\/b1:1.00:::::::*
cpe:2.3:h:iij:seil\/b1:2.01:::::::*
cpe:2.3:h:iij:seil\/b1:2.10:::::::*
cpe:2.3:h:iij:seil\/b1:2.20:::::::*
cpe:2.3:h:iij:seil\/b1:2.30:::::::*
cpe:2.3:h:iij:seil\/b1:2.40:::::::*
cpe:2.3:h:iij:seil\/b1:2.41:::::::*
cpe:2.3:h:iij:seil\/b1:2.42:::::::*
cpe:2.3:h:iij:seil\/b1:2.50:::::::*
cpe:2.3:h:iij:seil\/b1:2.51:::::::*
cpe:2.3:h:iij:seil\/b1:2.52:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:h:iij:seil\/b1:1.00:::::::*
cpe:2.3:h:iij:seil\/b1:2.01:::::::*
cpe:2.3:h:iij:seil\/b1:2.10:::::::*
cpe:2.3:h:iij:seil\/b1:2.20:::::::*
cpe:2.3:h:iij:seil\/b1:2.30:::::::*
cpe:2.3:h:iij:seil\/b1:2.40:::::::*
cpe:2.3:h:iij:seil\/b1:2.41:::::::*
cpe:2.3:h:iij:seil\/b1:2.42:::::::*
cpe:2.3:h:iij:seil\/b1:2.50:::::::*
cpe:2.3:h:iij:seil\/b1:2.51:::::::*
cpe:2.3:h:iij:seil\/b1:2.52:::::::*

CVE-2009-4409

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools