{"id":"CVE-2021-20349","aliases":["EUVD-2021-7767","GHSA-73rp-2374-fcqg"],"status":"published","title":"IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused...","description":"IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and gain lower level privileges. IBM X-Force ID: 194599.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AC:L/AV:L/S:U/UI:N/A:L/I:L/C:L/PR:N/RC:C/E:U/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00254,"percentile":0.17071,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-08-09T16:05:12Z","modified":"2026-06-17T03:33:43Z","products":[{"vendor":"hcl software","product":"workload scheduler"},{"vendor":"ibm","product":"tivoli_workload_scheduler"},{"vendor":"ibm","product":"workload scheduler"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6479347","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/194599","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20349"},{"url":"https://github.com/advisories/GHSA-73rp-2374-fcqg"}],"sources":{"cve":[{"id":"CVE-2021-20349","description":"IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and gain lower level privileges. IBM X-Force ID: 194599.","status":"published","published":"2021-08-09T16:05:12.746Z","modified":"2024-09-16T20:58:28.442Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AC:L/AV:L/S:U/UI:N/A:L/I:L/C:L/PR:N/RC:C/E:U/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7767","description":"IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and gain lower level privileges. IBM X-Force ID: 194599.","status":"published","published":"2021-08-09T16:05:12Z","modified":"2024-09-16T20:58:28Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AC:L/AV:L/S:U/UI:N/A:L/I:L/C:L/PR:N/RC:C/E:U/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:55:09.104839Z"}],"ghsa":[{"id":"GHSA-73rp-2374-fcqg","title":"IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused...","description":"IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and gain lower level privileges. IBM X-Force ID: 194599.","status":"published","published":"2022-05-24T19:10:26Z","modified":"2023-01-30T05:01:19Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:22.963176Z"}],"nvd":[{"id":"CVE-2021-20349","description":"IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and gain lower level privileges. IBM X-Force ID: 194599.","status":"published","published":"2021-08-09T16:15:06.997Z","modified":"2026-06-17T03:33:43.233Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:56.562207Z"}]}}