CVE-2021-22256

View on CVE.org

Published Aug 25, 2021 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed

Description

Improper authorization in GitLab CE/EE affecting all versions since 12.6 allowed guest users to create issues for Sentry errors and track their status

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

GitLab

GitLab

affected

Version	Status	Constraints
`>=12.6, <13.12.9`	affected	—
`>=14.0, <14.0.7`	affected	—
`>=14.1, <14.1.2`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-9402	Improper authorization in GitLab CE/EE affecting all versions since 12.6 allowed guest users to create issues for Sentry errors and track their status

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.729% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22256.json
https://gitlab.com/gitlab-org/gitlab/-/issues/326948
https://hackerone.com/reports/1117768

History

No history.

Subscriptions

Gitlab Gitlab

Weaknesses

CWE-863

Sources

CVE record Updated: Aug 3, 2024, 6:37 PM

Status: PUBLISHED
Assigner: GitLab
Published: Aug 25, 2021, 6:30 PM
Updated: Aug 3, 2024, 6:37 PM
Reserved: Jan 5, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:36 AM

Status: Modified
Published: Aug 25, 2021, 7:15 PM
Modified: Jun 17, 2026, 3:36 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "GitLab", "vendor": "GitLab", "versions": [{"status": "affected", "version": ">=12.6, <13.12.9"}, {"status": "affected", "version": ">=14.0, <14.0.7"}, {"status": "affected", "version": ">=14.1, <14.1.2"}]}], "credits": [{"lang": "en", "value": "Thanks @maruthi12 for reporting this vulnerability through our HackerOne bug bounty program"}], "descriptions": [{"lang": "en", "value": "Improper authorization in GitLab CE/EE affecting all versions since 12.6 allowed guest users to create issues for Sentry errors and track their status"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Improper authorization in GitLab", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-08-25T18:30:43.000Z", "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/326948"}, {"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/1117768"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22256.json"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@gitlab.com", "ID": "CVE-2021-22256", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GitLab", "version": {"version_data": [{"version_value": ">=12.6, <13.12.9"}, {"version_value": ">=14.0, <14.0.7"}, {"version_value": ">=14.1, <14.1.2"}]}}]}, "vendor_name": "GitLab"}]}}, "credit": [{"lang": "eng", "value": "Thanks @maruthi12 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 authorization in GitLab CE/EE affecting all versions since 12.6 allowed guest users to create issues for Sentry errors and track their status"}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper authorization in GitLab"}]}]}, "references": {"reference_data": [{"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/326948", "refsource": "MISC", "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/326948"}, {"name": "https://hackerone.com/reports/1117768", "refsource": "MISC", "url": "https://hackerone.com/reports/1117768"}, {"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22256.json", "refsource": "CONFIRM", "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22256.json"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:37:18.477Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/326948"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/1117768"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22256.json"}]}]}, "cveMetadata": {"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "assignerShortName": "GitLab", "cveId": "CVE-2021-22256", "datePublished": "2021-08-25T18:30:43.000Z", "dateReserved": "2021-01-05T00:00:00.000Z", "dateUpdated": "2024-08-03T18:37:18.477Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "GitLab", "vendor": "GitLab", "versions": [{"status": "affected", "version": ">=12.6, <13.12.9"}, {"status": "affected", "version": ">=14.0, <14.0.7"}, {"status": "affected", "version": ">=14.1, <14.1.2"}]}], "source": "cve@gitlab.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "56194586-FC63-4A31-BF87-8E454C986124", "versionEndExcluding": "13.12.9", "versionStartIncluding": "12.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "6E790CD7-5D26-49EA-AB46-78A1314C5036", "versionEndExcluding": "13.12.9", "versionStartIncluding": "12.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "7BAF03F5-F078-4080-9F72-B51DE3F0EFD8", "versionEndExcluding": "14.0.7", "versionStartIncluding": "14.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "80FE53A3-015A-41EF-B238-DEE9AB2FEF8C", "versionEndExcluding": "14.0.7", "versionStartIncluding": "14.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "F02DE4BD-E3C7-491A-9FA7-EB3ED914480F", "versionEndExcluding": "14.1.2", "versionStartIncluding": "14.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "02027E6A-E1D7-4109-BC9A-2B6BC335BA20", "versionEndExcluding": "14.1.2", "versionStartIncluding": "14.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper authorization in GitLab CE/EE affecting all versions since 12.6 allowed guest users to create issues for Sentry errors and track their status"}, {"lang": "es", "value": "Una autorizaci\u00f3n inapropiada en GitLab CE/EE, afectando a todas las versiones desde la 12.6, permit\u00eda a usuarios invitados crear problemas para los errores de Sentry y seguir su estado"}], "id": "CVE-2021-22256", "lastModified": "2026-06-17T03:36:53.823", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 5.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "cve@gitlab.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-25T19:15:11.793", "references": [{"source": "cve@gitlab.com", "tags": ["Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22256.json"}, {"source": "cve@gitlab.com", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/326948"}, {"source": "cve@gitlab.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/1117768"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22256.json"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/326948"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/1117768"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}