CVE-2017-0356
Estado: ModificadaCrítica (9.8)—
A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.28%
- Percentil entre todas las CVEs puntuadas: 88
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- CWE-287
Referencias
- http://www.securityfocus.com/bid/95420
- https://ikiwiki.info/security/#cve-2017-0356
- https://marc.info/?l=oss-security&m=148418234314276&w=2
- https://www.debian.org/security/2017/dsa-3760
- http://www.securityfocus.com/bid/95420
- https://ikiwiki.info/security/#cve-2017-0356
- https://marc.info/?l=oss-security&m=148418234314276&w=2
- https://www.debian.org/security/2017/dsa-3760
JSON original (NVD)
Mostrar
{
"id": "CVE-2017-0356",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": true,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security@debian.org",
"affectedData": [
{
"vendor": "ikiwiki",
"product": "ikiwiki",
"versions": [
{
"status": "affected",
"version": "before 3.20170111"
}
]
}
]
}
],
"published": "2018-04-13T15:29:00.273",
"references": [
{
"url": "http://www.securityfocus.com/bid/95420",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "security@debian.org"
},
{
"url": "https://ikiwiki.info/security/#cve-2017-0356",
"tags": [
"Vendor Advisory"
],
"source": "security@debian.org"
},
{
"url": "https://marc.info/?l=oss-security&m=148418234314276&w=2",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "security@debian.org"
},
{
"url": "https://www.debian.org/security/2017/dsa-3760",
"tags": [
"Third Party Advisory"
],
"source": "security@debian.org"
},
{
"url": "http://www.securityfocus.com/bid/95420",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://ikiwiki.info/security/#cve-2017-0356",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://marc.info/?l=oss-security&m=148418234314276&w=2",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.debian.org/security/2017/dsa-3760",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters."
},
{
"lang": "es",
"value": "Existe un error similar a CVE-2016-9646 en ikiwiki, en versiones anteriores a la 3.20170111, en el uso del plugin passwordauth de CGI::FormBuilder. Esto permite que un atacante omita la autenticación mediante parámetros repetidos."
}
],
"lastModified": "2026-06-17T00:57:33.567",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ikiwiki:ikiwiki:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2D8DC37A-4530-4DCB-AD78-45C4D020D3BE",
"versionEndExcluding": "3.20170111"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@debian.org"
}