CVE-2021-22886

{"id": "CVE-2021-22886", "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": "2021-03-26T19:15:11.913", "references": [{"url": "https://docs.rocket.chat/guides/security/security-updates", "tags": ["Vendor Advisory"], "source": "support@hackerone.com"}, {"url": "https://github.com/RocketChat/Rocket.Chat/pull/20430", "tags": ["Patch", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://hackerone.com/reports/1014459", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 is vulnerable to persistent cross-site scripting (XSS) using nested markdown tags allowing a remote attacker to inject arbitrary JavaScript in a message. This flaw leads to arbitrary file read and RCE on Rocket.Chat desktop app."}, {"lang": "es", "value": "Rocket.Chat versiones anteriores a 3.11, 3.10.5, 3.9.7, 3.8.8, es vulnerable a ataques de tipo cross-site scripting (XSS) persistente que usan etiquetas markdown anidadas que permiten a un atacante remoto inyectar JavaScript arbitrario en un mensaje. Este fallo conlleva a una lectura de archivos arbitraria y una RCE en la aplicaci\u00f3n de escritorio Rocket.Chat."}], "lastModified": "2021-03-30T20:26:41.133", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "86A30DEE-F0BD-42BD-8BE7-EAFC4EB83A94", "versionEndExcluding": "3.8.8"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A5B4CA06-527F-4600-A11A-ABFA54D754C8", "versionEndExcluding": "3.9.7", "versionStartIncluding": "3.9.0"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D9EFC543-2F10-4521-9814-ABBD237364EB", "versionEndExcluding": "3.10.5", "versionStartIncluding": "3.10.0"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "894B212B-12E9-49D0-9DCC-A8DA2BE98FCD"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B996994C-FEC5-4524-94F4-E8F7CD666BC7"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "506868F8-3FEE-478E-BAA2-889C53A79977"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "49553F24-2CC0-48E6-BA55-4CE0283C1E6A"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C4B247DC-ECB0-4859-8F6D-6CAA2C01B57E"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B3962CCC-17F4-4F4B-AE82-A53DB5ED19A5"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AA4771F7-A143-44C9-8FED-B9111C22D058"}, {"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6CA36B0C-3A4D-44EA-BAB8-A9B2D7F672D2"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}