{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-30T01:33:19.667","vulnerabilities":[{"cve":{"id":"CVE-2019-7656","sourceIdentifier":"cve@mitre.org","published":"2020-01-29T16:15:11.990","lastModified":"2026-06-17T02:40:49.097","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A privilege escalation vulnerability in Wowza Streaming Engine 4.8.0 and earlier allows any unprivileged Linux user to escalate privileges to root. The installer sets too relaxed permissions on /usr/local/WowzaStreamingEngine/bin/* core program files. By injecting a payload into one of those files, it will run with the same privileges as the Wowza server, root. For example, /usr/local/WowzaStreamingEngine/bin/tune.sh could be replaced with a Trojan horse. This issue was resolved in Wowza Streaming Engine 4.8.5."},{"lang":"es","value":"Una vulnerabilidad de escalada de privilegios en Wowza Streaming Engine versiones 4.8.0 y anteriores permite a cualquier usuario de Linux no privilegiado escalar privilegios a root. El instalador establece permisos demasiado flexibles sobre los archivos de programa principales /usr/local/WowzaStreamingEngine/bin/*. Mediante la inyección de una carga útil en uno de esos archivos, se ejecutará con los mismos privilegios que el servidor Wowza, root. Por ejemplo, el archivo /usr/local/WowzaStreamingEngine/bin/tune.sh podría ser reemplazado por uno de tipo caballo de Troya. Este problema se resolvió en Wowza Streaming Engine 4.8.5"}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-732"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:wowza:streaming_engine:*:*:*:*:*:*:*:*","versionEndIncluding":"4.8.0","matchCriteriaId":"72870676-F760-48D9-8DA3-39D4C99C7BFE"}]}]}],"references":[{"url":"https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-7656-PrivEscal-Wowza","source":"cve@mitre.org","tags":["Exploit","Third Party Advisory"]},{"url":"https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-7656.txt","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notes","source":"cve@mitre.org","tags":["Release Notes","Vendor Advisory"]},{"url":"https://www.wowza.com/pricing/installer","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-7656-PrivEscal-Wowza","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-7656.txt","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notes","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Vendor Advisory"]},{"url":"https://www.wowza.com/pricing/installer","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}