{"affected":[{"affectedData":[{"product":"Sterling Connect:Direct for UNIX","vendor":"IBM","versions":[{"status":"affected","version":"4.2.0"},{"status":"affected","version":"4.3.0"}]},{"product":"Connect:Direct for UNIX","vendor":"IBM","versions":[{"status":"affected","version":"6.1.0"},{"status":"affected","version":"6.0.0"}]}],"source":"psirt@us.ibm.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ibm:connect\\:direct:6.0.0:*:*:*:*:unix:*:*","matchCriteriaId":"23A0E317-0293-4357-B943-B94924BE2FD5","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:connect\\:direct:6.1.0:*:*:*:*:unix:*:*","matchCriteriaId":"70B07868-83AC-40EF-B193-FC9825424878","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:sterling_connect\\:direct:4.2.0:*:*:*:*:unix:*:*","matchCriteriaId":"30BE94F1-F851-4BE9-BDE3-7B2DBB7719F2","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:sterling_connect\\:direct:4.3.0:*:*:*:*:unix:*:*","matchCriteriaId":"DE4B0D2D-2A5C-44C5-9FFC-CB4381C5D471","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"IBM Sterling Connect:Direct for UNIX 4.2.0, 4.3.0, 6.0.0, and 6.1.0 is vulnerable to a stack based buffer ovreflow, caused by improper bounds checking. A local attacker could manipulate CD UNIX to obtain root provileges. IBM X-Force ID: 184578."},{"lang":"es","value":"IBM Sterling Connect:Direct para UNIX versiones 4.2.0, 4.3.0, 6.0.0 y 6.1.0, es vulnerable a un desbordamiento de búfer en la región stack de la memoria, causado por una comprobación de límites inapropiada. Un atacante local podría manipular CD UNIX para obtener privilegios root. IBM X-Force ID: 184578."}],"id":"CVE-2020-4587","lastModified":"2026-06-17T03:20:12.073","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"LOCAL","authentication":"NONE","availabilityImpact":"COMPLETE","baseScore":7.2,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":3.9,"impactScore":10.0,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"},"exploitabilityScore":2.5,"impactScore":5.9,"source":"psirt@us.ibm.com","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2020-08-24T16:15:11.093","references":[{"source":"psirt@us.ibm.com","tags":["VDB Entry","Vendor Advisory"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184578"},{"source":"psirt@us.ibm.com","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/6320317"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["VDB Entry","Vendor Advisory"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184578"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/6320317"}],"sourceIdentifier":"psirt@us.ibm.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-787"}],"source":"nvd@nist.gov","type":"Primary"}]}