.1.4 on a Sparc 20 machine allows local users to cause a denial of service (kernel panic) by reading from the /dev/tcx0 TCX device. NIST National Vulnerability Database (NVD) -- services.nvd.nist.gov (CVE / CVSS / CPE). {"cve":{"id":"CVE-1999-1449","sourceIdentifier":"cve@mitre.org","published":"1997-05-19T04:00:00.000","lastModified":"2026-06-16T21:50:27.857","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"SunOS 4.1.4 on a Sparc 20 machine allows local users to cause a denial of service (kernel panic) by reading from the /dev/tcx0 TCX device."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:P","baseScore":2.1,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"LOW","exploitabilityScore":3.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:sun:sunos:4.1.4:*:*:*:*:*:*:*","matchCriteriaId":"1070749A-65E9-439A-A7CC-3CE529A5D5E7"}]}]}],"references":[{"url":"http://oamk.fi/~jukkao/bugtraq/before-971202/0498.html","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"http://www.insecure.org/sploits/sunos.dev.tcx0.write.wierd.shit.to.device.bug.html","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"http://oamk.fi/~jukkao/bugtraq/before-971202/0498.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"http://www.insecure.org/sploits/sunos.dev.tcx0.write.wierd.shit.to.device.bug.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}},