{"id":"CVE-2020-4587","aliases":["EUVD-2020-25834","GHSA-qvjf-c3cc-2mpj"],"status":"published","title":"IBM Sterling Connect:Direct for UNIX 4.2.0, 4.3.0, 6.0.0, and 6.1.0 is vulnerable to a stack...","description":"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.","severity":{"version":"3.0","score":8.4,"vector":"CVSS:3.0/A:H/PR:N/C:H/AV:L/S:U/I:H/UI:N/AC:L/RC:C/RL:O/E:U","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0034,"percentile":0.27746,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2020-08-24T15:30:31Z","modified":"2026-06-17T03:20:12Z","products":[{"vendor":"ibm","product":"connect:direct for unix"},{"vendor":"ibm","product":"connect\\"},{"vendor":"ibm","product":"sterling connect:direct for unix"},{"vendor":"ibm","product":"sterling_connect\\"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6320317","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184578","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4587"},{"url":"https://github.com/advisories/GHSA-qvjf-c3cc-2mpj"}],"sources":{"cve":[{"id":"CVE-2020-4587","description":"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.","status":"published","published":"2020-08-24T15:30:31.574Z","modified":"2024-09-16T23:41:45.685Z","cvss":[{"version":"3.0","score":8.4,"vector":"CVSS:3.0/A:H/PR:N/C:H/AV:L/S:U/I:H/UI:N/AC:L/RC:C/RL:O/E:U","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.797746Z"}],"euvd":[{"id":"EUVD-2020-25834","description":"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.","status":"published","published":"2020-08-24T15:30:31Z","modified":"2024-09-16T23:41:45Z","cvss":[{"version":"3.0","score":8.4,"vector":"CVSS:3.0/A:H/PR:N/C:H/AV:L/S:U/I:H/UI:N/AC:L/RC:C/RL:O/E:U","level":"high"}],"updated_at":"2026-11-03T00:54:47.592767Z"}],"ghsa":[{"id":"GHSA-qvjf-c3cc-2mpj","title":"IBM Sterling Connect:Direct for UNIX 4.2.0, 4.3.0, 6.0.0, and 6.1.0 is vulnerable to a stack...","description":"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.","status":"published","published":"2022-05-24T17:26:27Z","modified":"2023-01-29T05:04:15Z","updated_at":"2026-11-02T14:45:30.341086Z"}],"nvd":[{"id":"CVE-2020-4587","description":"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.","status":"published","published":"2020-08-24T16:15:11.093Z","modified":"2026-06-17T03:20:12.073Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:13.05572Z"}]}}