CVE-2021-27671

{"id": "CVE-2021-27671", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2021-02-25T01:15:13.243", "references": [{"url": "https://rustsec.org/advisories/RUSTSEC-2021-0026.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the comrak crate before 0.9.1 for Rust. XSS can occur because the protection mechanism for data: and javascript: URIs is case-sensitive, allowing (for example) Data: to be used in an attack."}, {"lang": "es", "value": "Se detect\u00f3 un problema en la crate comrak versiones anteriores a 0.9.1 para Rust. Un XSS puede ocurrir porque el mecanismo de protecci\u00f3n de los URI data: y javascript: distingue entre may\u00fasculas y min\u00fasculas, lo que permite (por ejemplo) que Data: sea usado en un ataque"}], "lastModified": "2021-03-02T13:35:08.607", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:comrak_project:comrak:*:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "8900A2D9-4AC2-4EC7-A941-2D9EC408905A", "versionEndExcluding": "0.9.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}