fkie_cve-2009-4409
Vulnerability from fkie_nvd
Published
2009-12-23 21:30
Modified
2025-04-09 00:30
Severity ?
Summary
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.
References
Impacted products
{
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"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "La autenticaci\u00f3n (1) CHAP y (2) MS-CHAP-V2 en la funci\u00f3n PPP Access Concentrator (PPPAC) en el firmware Internet Initiative Japan SEIL/B1 v1.00 hasta v2.52 utiliza el mismo desaf\u00edo para cada intento de autenticaci\u00f3n, permitiendo a atacantes remotos saltar la autenticaci\u00f3n mediante un ataque de repetici\u00f3n."
}
],
"id": "CVE-2009-4409",
"lastModified": "2025-04-09T00:30:58.490",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 2.6,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 4.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2009-12-23T21:30:00.313",
"references": [
{
"source": "cve@mitre.org",
"url": "http://jvn.jp/en/jp/JVN49602378/index.html"
},
{
"source": "cve@mitre.org",
"url": "http://jvndb.jvn.jp/ja/contents/2009/JVNDB-2009-000079.html"
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"tags": [
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"url": "http://www.osvdb.org/61118"
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{
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"url": "http://www.securityfocus.com/bid/37293"
},
{
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"tags": [
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}
],
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"vulnStatus": "Deferred",
"weaknesses": [
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"description": [
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"value": "CWE-287"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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