CVE-2021-39897 (GCVE-0-2021-39897)
Vulnerability from cvelistv5 – Published: 2021-11-04 23:07 – Updated: 2024-08-04 02:20
VLAI
EPSS
VEX
Summary
Improper access control in GitLab CE/EE version 10.5 and above allowed subgroup members with inherited access to a project from a parent group to still have access even after the subgroup is transferred
Severity
CWE
- Improper access control in GitLab
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/341017 | x_refsource_MISC |
| https://hackerone.com/reports/1330806 | x_refsource_MISC |
| https://gitlab.com/gitlab-org/cves/-/blob/master/… | x_refsource_CONFIRM |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T02:20:33.759Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/341017"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://hackerone.com/reports/1330806"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39897.json"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "GitLab",
"vendor": "GitLab",
"versions": [
{
"status": "affected",
"version": "\u003e=12.9, \u003c12.9.8"
},
{
"status": "affected",
"version": "\u003e=12.10, \u003c12.10.7"
},
{
"status": "affected",
"version": "\u003e=13.0, \u003c13.0.1"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Thanks joaxcar for reporting this vulnerability through our HackerOne bug bounty program"
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper access control in GitLab CE/EE version 10.5 and above allowed subgroup members with inherited access to a project from a parent group to still have access even after the subgroup is transferred"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 2.6,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Improper access control in GitLab",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-11-04T23:07:04.000Z",
"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"shortName": "GitLab"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/341017"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://hackerone.com/reports/1330806"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39897.json"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@gitlab.com",
"ID": "CVE-2021-39897",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "GitLab",
"version": {
"version_data": [
{
"version_value": "\u003e=12.9, \u003c12.9.8"
},
{
"version_value": "\u003e=12.10, \u003c12.10.7"
},
{
"version_value": "\u003e=13.0, \u003c13.0.1"
}
]
}
}
]
},
"vendor_name": "GitLab"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Thanks joaxcar for reporting this vulnerability through our HackerOne bug bounty program"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Improper access control in GitLab CE/EE version 10.5 and above allowed subgroup members with inherited access to a project from a parent group to still have access even after the subgroup is transferred"
}
]
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 2.6,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Improper access control in GitLab"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/341017",
"refsource": "MISC",
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/341017"
},
{
"name": "https://hackerone.com/reports/1330806",
"refsource": "MISC",
"url": "https://hackerone.com/reports/1330806"
},
{
"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39897.json",
"refsource": "CONFIRM",
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39897.json"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"assignerShortName": "GitLab",
"cveId": "CVE-2021-39897",
"datePublished": "2021-11-04T23:07:04.000Z",
"dateReserved": "2021-08-23T00:00:00.000Z",
"dateUpdated": "2024-08-04T02:20:33.759Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-39897",
"date": "2026-09-16",
"epss": "0.01034",
"percentile": "0.62138"
},
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\", \"versionStartIncluding\": \"12.9.0\", \"versionEndExcluding\": \"12.9.8\", \"matchCriteriaId\": \"63B9688C-C8BC-4E06-9A90-688E1A72EED6\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"12.9.0\", \"versionEndExcluding\": \"12.9.8\", \"matchCriteriaId\": \"F76601E6-F6EF-49C4-8FBF-75A24F2ACDED\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\", \"versionStartIncluding\": \"12.10.0\", \"versionEndExcluding\": \"12.10.7\", \"matchCriteriaId\": \"C9ED9593-9837-4849-A890-C2FDDC56C5A1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"12.10.0\", \"versionEndExcluding\": \"12.10.7\", \"matchCriteriaId\": \"846CD4C7-BFCB-4DFC-901E-46CCA8ADA56A\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:13.0.0:*:*:*:community:*:*:*\", \"matchCriteriaId\": \"439E1C57-8846-4EB8-A78A-DE6BDAF6CAF5\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:13.0.0:*:*:*:enterprise:*:*:*\", \"matchCriteriaId\": \"F6CA871C-BEFF-4951-AC88-ACA603C25CE1\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"Improper access control in GitLab CE/EE version 10.5 and above allowed subgroup members with inherited access to a project from a parent group to still have access even after the subgroup is transferred\"}, {\"lang\": \"es\", \"value\": \"Un control de acceso inapropiado en GitLab CE/EE versi\\u00f3n 10.5 y superiores, permit\\u00eda que miembros de un subgrupo con acceso heredado a un proyecto de un grupo padre siguieran teniendo acceso incluso despu\\u00e9s de que se transfiriera el subgrupo\"}]",
"id": "CVE-2021-39897",
"lastModified": "2024-11-21T06:20:30.153",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"cve@gitlab.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N\", \"baseScore\": 2.6, \"baseSeverity\": \"LOW\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.2, \"impactScore\": 1.4}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:N/A:N\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2021-11-05T00:15:10.467",
"references": "[{\"url\": \"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39897.json\", \"source\": \"cve@gitlab.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/341017\", \"source\": \"cve@gitlab.com\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://hackerone.com/reports/1330806\", \"source\": \"cve@gitlab.com\", \"tags\": [\"Permissions Required\", \"Third Party Advisory\"]}, {\"url\": \"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39897.json\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/341017\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://hackerone.com/reports/1330806\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Permissions Required\", \"Third Party Advisory\"]}]",
"sourceIdentifier": "cve@gitlab.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-281\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-39897\",\"sourceIdentifier\":\"cve@gitlab.com\",\"published\":\"2021-11-05T00:15:10.467\",\"lastModified\":\"2024-11-21T06:20:30.153\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Improper access control in GitLab CE/EE version 10.5 and above allowed subgroup members with inherited access to a project from a parent group to still have access even after the subgroup is transferred\"},{\"lang\":\"es\",\"value\":\"Un control de acceso inapropiado en GitLab CE/EE versi\u00f3n 10.5 y superiores, permit\u00eda que miembros de un subgrupo con acceso heredado a un proyecto de un grupo padre siguieran teniendo acceso incluso despu\u00e9s de que se transfiriera el subgrupo\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N\",\"baseScore\":2.6,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.2,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-281\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"12.9.0\",\"versionEndExcluding\":\"12.9.8\",\"matchCriteriaId\":\"63B9688C-C8BC-4E06-9A90-688E1A72EED6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"12.9.0\",\"versionEndExcluding\":\"12.9.8\",\"matchCriteriaId\":\"F76601E6-F6EF-49C4-8FBF-75A24F2ACDED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"12.10.0\",\"versionEndExcluding\":\"12.10.7\",\"matchCriteriaId\":\"C9ED9593-9837-4849-A890-C2FDDC56C5A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"12.10.0\",\"versionEndExcluding\":\"12.10.7\",\"matchCriteriaId\":\"846CD4C7-BFCB-4DFC-901E-46CCA8ADA56A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:13.0.0:*:*:*:community:*:*:*\",\"matchCriteriaId\":\"439E1C57-8846-4EB8-A78A-DE6BDAF6CAF5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:13.0.0:*:*:*:enterprise:*:*:*\",\"matchCriteriaId\":\"F6CA871C-BEFF-4951-AC88-ACA603C25CE1\"}]}]}],\"references\":[{\"url\":\"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39897.json\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/341017\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hackerone.com/reports/1330806\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Permissions Required\",\"Third Party Advisory\"]},{\"url\":\"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39897.json\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/341017\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hackerone.com/reports/1330806\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\",\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"current_release_date": "2026-03-27T13:36:48+00:00",
"cve": "CVE-2021-39897",
"id": "CVE-2021-39897",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-39897",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-39897.json",
"version": "3"
}
}
}
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…
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…