{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-22T16:10:50.281","vulnerabilities":[{"cve":{"id":"CVE-2020-18976","sourceIdentifier":"cve@mitre.org","published":"2021-08-25T16:15:08.687","lastModified":"2026-06-17T02:59:31.873","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Buffer Overflow in Tcpreplay v4.3.2 allows attackers to cause a Denial of Service via the 'do_checksum' function in 'checksum.c'. It can be triggered by sending a crafted pcap file to the 'tcpreplay-edit' binary. This issue is different than CVE-2019-8381."},{"lang":"es","value":"Un desbordamiento del búfer en Tcpreplay versión v4.3.2, permite a atacantes causar una denegación de servicio por medio de la función \"do_checksum\" en el archivo \"checksum.c\". Puede ser desencadenado mediante el envío de un archivo pcap diseñado al binario \"tcpreplay-edit\". Este problema es diferente de CVE-2019-8381."}],"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:N/UI:R/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"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":true}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-120"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:broadcom:tcpreplay:4.3.2:*:*:*:*:*:*:*","matchCriteriaId":"423E0A54-6122-4B42-B3D1-69D31C3C7CA6"}]}]}],"references":[{"url":"https://github.com/appneta/tcpreplay/issues/556","source":"cve@mitre.org","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://github.com/appneta/tcpreplay/issues/556","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"]}]}}]}