CVE-2020-24717 (GCVE-0-2020-24717)
Vulnerability from cvelistv5 – Published: 2020-08-27 18:03 – Updated: 2024-08-04 15:19
VLAI
EPSS
VEX
Summary
OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by mode 0770 being equivalent to mode 0777.
Severity
7.8 (High)
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://jira.ixsystems.com/browse/NAS-107270 | x_refsource_MISC |
| https://github.com/openzfs/zfs/commit/716b53d0a14… | x_refsource_MISC |
| https://reviews.freebsd.org/D26107 | x_refsource_MISC |
| https://github.com/openzfs/zfs/compare/zfs-0.8.4.… | x_refsource_MISC |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T15:19:09.332Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://jira.ixsystems.com/browse/NAS-107270"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://reviews.freebsd.org/D26107"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by mode 0770 being equivalent to mode 0777."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2020-08-27T18:03:21.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://jira.ixsystems.com/browse/NAS-107270"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://reviews.freebsd.org/D26107"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2020-24717",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by mode 0770 being equivalent to mode 0777."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://jira.ixsystems.com/browse/NAS-107270",
"refsource": "MISC",
"url": "https://jira.ixsystems.com/browse/NAS-107270"
},
{
"name": "https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f",
"refsource": "MISC",
"url": "https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f"
},
{
"name": "https://reviews.freebsd.org/D26107",
"refsource": "MISC",
"url": "https://reviews.freebsd.org/D26107"
},
{
"name": "https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1",
"refsource": "MISC",
"url": "https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2020-24717",
"datePublished": "2020-08-27T18:03:21.000Z",
"dateReserved": "2020-08-27T00:00:00.000Z",
"dateUpdated": "2024-08-04T15:19:09.332Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2020-24717",
"date": "2026-10-02",
"epss": "0.00459",
"percentile": "0.37561"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openzfs:openzfs:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5C4D689C-899B-4558-B217-438B10E533EA",
"versionEndIncluding": "0.8.4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:freebsd:freebsd:-:*:*:*:*:*:*:*",
"matchCriteriaId": "3B2AEFCC-A2F6-45A6-A2EF-24F7906E44E2",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by mode 0770 being equivalent to mode 0777."
},
{
"lang": "es",
"value": "OpenZFS versiones anteriores a 2.0.0-rc1, cuando es usado en FreeBSD, malinterpreta los permisos de grupo como permisos de usuario, como es demostrado por el modo 0770 que es equivalente al modo 0777"
}
],
"id": "CVE-2020-24717",
"lastModified": "2026-06-17T03:06:01.757",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-08-27T19:15:12.037",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://jira.ixsystems.com/browse/NAS-107270"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://reviews.freebsd.org/D26107"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://jira.ixsystems.com/browse/NAS-107270"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://reviews.freebsd.org/D26107"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-276"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…