{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-15T03:55:25.150","vulnerabilities":[{"cve":{"id":"CVE-2021-33580","sourceIdentifier":"security@apache.org","published":"2021-08-18T08:15:06.173","lastModified":"2024-11-21T06:09:08.060","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"User controlled `request.getHeader(\"Referer\")`, `request.getRequestURL()` and `request.getQueryString()` are used to build and run a regex expression. The attacker doesn't have to use a browser and may send a specially crafted Referer header programmatically. Since the attacker controls the string and the regex pattern he may cause a ReDoS by regex catastrophic backtracking on the server side. This problem has been fixed in Roller 6.0.2."},{"lang":"es","value":"Los controles de usuario \"request.getHeader(\"Referer\")\", \"request.getRequestURL()\" y \"request.getQueryString()\" son usados para construir y ejecutar una expresión regex. El atacante no tiene que usar un navegador y puede enviar un encabezado Referer especialmente diseñada mediante programación. Dado que el atacante controla la cadena y el patrón regex, puede causar un ReDoS mediante el retroceso catastrófico de regex en el lado del servidor. Este problema ha sido corregido en Roller versión 6.0.2."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security@apache.org","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:roller:*:*:*:*:*:*:*:*","versionEndExcluding":"6.0.2","matchCriteriaId":"4A3A7D5E-4C46-4659-B300-EEA08ED8BC29"}]}]}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2021/08/18/1","source":"security@apache.org","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.apache.org/thread.html/r9d967d80af941717573e531db2c7353a90bfd0886e9b5d5d79f75506%40%3Cuser.roller.apache.org%3E","source":"security@apache.org","tags":["Mailing List","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2021/08/18/1","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.apache.org/thread.html/r9d967d80af941717573e531db2c7353a90bfd0886e9b5d5d79f75506%40%3Cuser.roller.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Vendor Advisory"]}]}}]}