CVE-2021-4305

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{"affected": [{"affectedData": [{"product": "robots-txt-guard", "vendor": "Woorank", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bridgeline:robots-txt-guard:*:*:*:*:*:*:*:*", "matchCriteriaId": "0FF18FDD-842E-4C41-BD79-6FEBCA5B0D63", "versionEndExcluding": "2021-02-07", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Woorank robots-txt-guard. It has been rated as problematic. Affected by this issue is the function makePathPattern of the file lib/patterns.js. The manipulation of the argument pattern leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The name of the patch is c03827cd2f9933619c23894ce7c98401ea824020. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217448."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Woorank robots-txt-guard. Ha sido calificada como problem\u00e1tica. La funci\u00f3n makePathPattern del archivo lib/patterns.js es afectada por esta vulnerabilidad. La manipulaci\u00f3n del patr\u00f3n de argumento conduce a una complejidad de expresi\u00f3n regular ineficiente. El exploit ha sido divulgado al p\u00fablico y puede utilizarse. El nombre del parche es c03827cd2f9933619c23894ce7c98401ea824020. Se recomienda aplicar un parche para solucionar este problema. El identificador de esta vulnerabilidad es VDB-217448."}], "id": "CVE-2021-4305", "lastModified": "2026-06-17T04:19:28.147", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 2.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 4.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-4305", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-25T17:49:23.236965Z", "version": "2.0.3"}}]}, "published": "2023-01-05T11:15:09.120", "references": [{"source": "cna@vuldb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020"}, {"source": "cna@vuldb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Woorank/robots-txt-guard/pull/4"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://vuldb.com/?ctiid.217448"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?id.217448"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Woorank/robots-txt-guard/pull/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://vuldb.com/?ctiid.217448"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?id.217448"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

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