fkie_cve-2021-31921
Vulnerability from fkie_nvd
Published
2021-06-02 16:15
Modified
2024-11-21 06:06
Severity ?
Summary
Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability where an external client can access unexpected services in the cluster, bypassing authorization checks, when a gateway is configured with AUTO_PASSTHROUGH routing configuration.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://istio.io/latest/news/security/istio-security-2021-006/ | Exploit, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://istio.io/latest/news/security/istio-security-2021-006/ | Exploit, Vendor Advisory |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*",
"matchCriteriaId": "CD72BDF7-907A-407F-94BF-ACDB1F8FFAD1",
"versionEndExcluding": "1.8.6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*",
"matchCriteriaId": "EF73EA19-5803-4F37-A250-1C8597A17FA1",
"versionEndExcluding": "1.9.5",
"versionStartIncluding": "1.9.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability where an external client can access unexpected services in the cluster, bypassing authorization checks, when a gateway is configured with AUTO_PASSTHROUGH routing configuration."
},
{
"lang": "es",
"value": "Istio antes de la versi\u00f3n 1.8.6 y 1.9.x antes de la versi\u00f3n 1.9.5 contiene una vulnerabilidad explotable de forma remota por la que un cliente externo puede acceder a servicios inesperados en el cl\u00faster, salt\u00e1ndose las comprobaciones de autorizaci\u00f3n, cuando una puerta de enlace est\u00e1 configurada con la configuraci\u00f3n de enrutamiento AUTO_PASSTHROUGH"
}
],
"id": "CVE-2021-31921",
"lastModified": "2024-11-21T06:06:30.930",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-06-02T16:15:08.927",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://istio.io/latest/news/security/istio-security-2021-006/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://istio.io/latest/news/security/istio-security-2021-006/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-862"
}
],
"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.
- 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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