{ "id": "CVE-2021-39946", "sourceIdentifier": "cve@gitlab.com", "published": "2022-01-18T17:15:08.777", "lastModified": "2022-01-25T16:35:57.753", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis" }, { "lang": "es", "value": "Una neutralizaci\u00f3n inapropiada de la entrada del usuario en GitLab CE/EE versiones 14.3 a 14.3.6, 14.4 a 14.4.4 y 14.5 a 14.5.2, permit\u00eda a un atacante explotar una vulnerabilidad de tipo XSS al abusar de la generaci\u00f3n del c\u00f3digo HTML relacionado con los emojis" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.3, "impactScore": 2.7 }, { "source": "cve@gitlab.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH" }, "exploitabilityScore": 2.3, "impactScore": 5.8 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 3.5 }, "baseSeverity": "LOW", "exploitabilityScore": 6.8, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-79" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "14.3", "versionEndExcluding": "14.3.6", "matchCriteriaId": "9C09470F-03BE-4790-B7BC-4DDC238F67E4" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "14.3", "versionEndExcluding": "14.3.6", "matchCriteriaId": "E37AE065-3899-47CB-851F-679056540FC4" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "14.4", "versionEndExcluding": "14.4.4", "matchCriteriaId": "D91C9E0F-249E-4A0C-AB0F-FAEAEBBBBEC7" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "14.4", "versionEndExcluding": "14.4.4", "matchCriteriaId": "61868AF5-26AA-4080-ABEE-DFAE02D94825" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "14.5", "versionEndExcluding": "14.5.2", "matchCriteriaId": "E3FD2719-9886-4B6C-A92C-4E6B662DF9E4" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "14.5", "versionEndExcluding": "14.5.2", "matchCriteriaId": "3C34F25B-47BF-4ACA-9B75-2B0D46F69033" } ] } ] } ], "references": [ { "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json", "source": "cve@gitlab.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/345657", "source": "cve@gitlab.com", "tags": [ "Broken Link", "Vendor Advisory" ] }, { "url": "https://hackerone.com/reports/1398305", "source": "cve@gitlab.com", "tags": [ "Permissions Required", "Third Party Advisory" ] } ] }