CVE-2021-3874 - Vulnerability Details - OpenCVE

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00378.

Key SSVC decision points have not yet been added.

Vendors	Products
Bookstackapp Subscribe	Bookstack Subscribe

Configuration 1 [-]

cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-27108	bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a
https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2021-10-15T13:40:18

Updated: 2024-08-03T17:09:09.594Z

Reserved: 2021-10-08T00:00:00

Link: CVE-2021-3874

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-15T14:15:07.757

Modified: 2024-11-21T06:22:41.867

Link: CVE-2021-3874

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-22

{"containers": {"cna": {"affected": [{"product": "bookstackapp/bookstack", "vendor": "bookstackapp", "versions": [{"lessThan": "21.08.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-15T13:40:18", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a"}], "source": {"advisory": "ac268a17-72b5-446f-a09a-9945ef58607a", "discovery": "EXTERNAL"}, "title": "Path Traversal in bookstackapp/bookstack", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@huntr.dev", "ID": "CVE-2021-3874", "STATE": "PUBLIC", "TITLE": "Path Traversal in bookstackapp/bookstack"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "bookstackapp/bookstack", "version": {"version_data": [{"version_affected": "<", "version_value": "21.08.5"}]}}]}, "vendor_name": "bookstackapp"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}]}, "references": {"reference_data": [{"name": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a", "refsource": "CONFIRM", "url": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a"}, {"name": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a", "refsource": "MISC", "url": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a"}]}, "source": {"advisory": "ac268a17-72b5-446f-a09a-9945ef58607a", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:09:09.594Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a"}]}]}, "cveMetadata": {"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "cveId": "CVE-2021-3874", "datePublished": "2021-10-15T13:40:18", "dateReserved": "2021-10-08T00:00:00", "dateUpdated": "2024-08-03T17:09:09.594Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*", "matchCriteriaId": "76DDD7E8-B040-4418-9FAA-B5195976C962", "versionEndExcluding": "21.08.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}, {"lang": "es", "value": "bookstack es vulnerable a una Limitaci\u00f3n Inapropiada de un nombre de ruta a un directorio restringido (\"Salto de Ruta\")"}], "id": "CVE-2021-3874", "lastModified": "2024-11-21T06:22:41.867", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-15T14:15:07.757", "references": [{"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security@huntr.dev", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}