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.
Published: 2009-12-23
Score: 2.6 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2009-4376 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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-09-17T01:35:32.632Z

Reserved: 2009-12-23T00:00:00.000Z

Link: CVE-2009-4409

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-12-23T21:30:00.313

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-4409

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses