CVE-2021-3987
Vulnerability from cvelistv5
Published
2024-11-15 10:52
Modified
2024-11-15 18:28
Severity ?
EPSS score ?
Summary
An improper access control vulnerability exists in janeczku/calibre-web. The affected version allows users without public shelf permissions to create public shelves. The vulnerability is due to the `create_shelf` method in `shelf.py` not verifying if the user has the necessary permissions to create a public shelf. This issue can lead to unauthorized actions being performed by users.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
▼ | janeczku | janeczku/calibre-web |
Version: unspecified < |
|
{ "containers": { "adp": [ { "affected": [ { "cpes": [ "cpe:2.3:a:calibre-web_project:calibre-web:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "calibre-web", "vendor": "calibre-web_project", "versions": [ { "lessThan": "*", "status": "affected", "version": "0", "versionType": "custom" } ] } ], "metrics": [ { "other": { "content": { "id": "CVE-2021-3987", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-11-15T18:27:02.281125Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-11-15T18:28:12.925Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "product": "janeczku/calibre-web", "vendor": "janeczku", "versions": [ { "lessThanOrEqual": "latest", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "descriptions": [ { "lang": "en", "value": "An improper access control vulnerability exists in janeczku/calibre-web. The affected version allows users without public shelf permissions to create public shelves. The vulnerability is due to the `create_shelf` method in `shelf.py` not verifying if the user has the necessary permissions to create a public shelf. This issue can lead to unauthorized actions being performed by users." } ], "metrics": [ { "cvssV3_0": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.0" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-284", "description": "CWE-284 Improper Access Control", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-11-15T10:57:09.048Z", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntr_ai" }, "references": [ { "url": "https://huntr.com/bounties/29fcc091-87b6-43bc-ab4b-3c0bec3f71df" }, { "url": "https://github.com/janeczku/calibre-web/commit/bcdc97641447965af486964537f3821f47b28874" } ], "source": { "advisory": "29fcc091-87b6-43bc-ab4b-3c0bec3f71df", "discovery": "EXTERNAL" }, "title": "Improper Access Control in janeczku/calibre-web" } }, "cveMetadata": { "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntr_ai", "cveId": "CVE-2021-3987", "datePublished": "2024-11-15T10:52:29.478Z", "dateReserved": "2021-11-20T12:01:47.041Z", "dateUpdated": "2024-11-15T18:28:12.925Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-3987\",\"sourceIdentifier\":\"security@huntr.dev\",\"published\":\"2024-11-15T11:15:06.610\",\"lastModified\":\"2024-11-19T15:44:38.113\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An improper access control vulnerability exists in janeczku/calibre-web. The affected version allows users without public shelf permissions to create public shelves. The vulnerability is due to the `create_shelf` method in `shelf.py` not verifying if the user has the necessary permissions to create a public shelf. This issue can lead to unauthorized actions being performed by users.\"},{\"lang\":\"es\",\"value\":\"Existe una vulnerabilidad de control de acceso indebido en janeczku/calibre-web. La versi\u00f3n afectada permite a los usuarios sin permisos de estanter\u00eda p\u00fablica crear estanter\u00edas p\u00fablicas. La vulnerabilidad se debe a que el m\u00e9todo `create_shelf` en `shelf.py` no verifica si el usuario tiene los permisos necesarios para crear una estanter\u00eda p\u00fablica. Este problema puede provocar que los usuarios realicen acciones no autorizadas.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"cvssMetricV30\":[{\"source\":\"security@huntr.dev\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"security@huntr.dev\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:janeczku:calibre-web:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.6.15\",\"matchCriteriaId\":\"CB86DF8E-5F67-41CA-B657-D8E0A61CD22A\"}]}]}],\"references\":[{\"url\":\"https://github.com/janeczku/calibre-web/commit/bcdc97641447965af486964537f3821f47b28874\",\"source\":\"security@huntr.dev\",\"tags\":[\"Patch\"]},{\"url\":\"https://huntr.com/bounties/29fcc091-87b6-43bc-ab4b-3c0bec3f71df\",\"source\":\"security@huntr.dev\",\"tags\":[\"Exploit\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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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.