.x and 5.x trusts the user's PATH environmental variable to find and execute the ls program, which allows local users to gain root privileges via a Trojan horse ls program. NIST National Vulnerability Database (NVD) -- services.nvd.nist.gov (CVE / CVSS / CPE). {"cve":{"id":"CVE-1999-1022","sourceIdentifier":"cve@mitre.org","published":"1994-10-02T04:00:00.000","lastModified":"2026-06-16T21:49:32.487","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"serial_ports administrative program in IRIX 4.x and 5.x trusts the user's PATH environmental variable to find and execute the ls program, which allows local users to gain root privileges via a Trojan horse ls program."}],"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:H/Au:N/C:C/I:C/A:C","baseScore":6.2,"accessVector":"LOCAL","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":1.9,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":true,"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:sgi:irix:4:*:*:*:*:*:*:*","matchCriteriaId":"C6AACDE0-00BA-4A29-8305-5AA0A4BC273C"},{"vulnerable":true,"criteria":"cpe:2.3:o:sgi:irix:5.2:*:*:*:*:*:*:*","matchCriteriaId":"E292DA15-91BF-4957-9C0F-A69518538BED"},{"vulnerable":true,"criteria":"cpe:2.3:o:sgi:irix:5.3:*:*:*:*:*:*:*","matchCriteriaId":"26144F94-63FD-4907-B548-09B68C2FC9B3"}]}]}],"references":[{"url":"http://www.securityfocus.com/archive/1/930","source":"cve@mitre.org","tags":["Exploit","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/464","source":"cve@mitre.org","tags":["Exploit","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/2111","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/930","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/464","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/2111","source":"af854a3a-2127-422b-91ae-364da2661108"}]}},