{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-22T06:30:34.990","vulnerabilities":[{"cve":{"id":"CVE-2020-21687","sourceIdentifier":"cve@mitre.org","published":"2023-08-22T19:16:15.000","lastModified":"2024-11-21T05:12:48.473","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Buffer Overflow vulnerability in scan function in stdscan.c in nasm 2.15rc0 allows remote attackers to cause a denial of service via crafted asm file."}],"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}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nasm:netwide_assembler:2.15:rc0:*:*:*:*:*:*","matchCriteriaId":"7E3030CB-7432-4496-BE6E-FBB1265DE60E"}]}]}],"references":[{"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392645","source":"cve@mitre.org","tags":["Exploit","Issue Tracking","Vendor Advisory"]},{"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392645","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Vendor Advisory"]}]}}]}