{"id":"CVE-2021-4326","aliases":["EUVD-2023-0909","GHSA-6q8m-42qq-64r7"],"status":"published","title":"Imperative Local Command Injection allows Activity Masking","description":"A vulnerability in Imperative framework which allows already-privileged local actors to execute arbitrary shell commands via plugin install/update commands, or maliciously formed environment variables. Impacts Zowe CLI.","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C/CR:L/IR:X/AR:X/MAV:L/MAC:L/MPR:L/MUI:N/MS:U/MC:L/MI:X/MA:X","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00255,"percentile":0.17154,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-77"],"published":"2023-02-22T15:21:06Z","modified":"2026-10-24T10:50:43Z","fixes":[{"ecosystem":"npm","package":"@zowe/imperative","fixed_in":["5.7.1","4.18.10"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@zowe/imperative","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.7.1"}]}]},{"source":"ghsa","ecosystem":"npm","package":"@zowe/imperative","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.10"}]}]},{"source":"osv","ecosystem":"npm","package":"@zowe/imperative","ranges":[{"type":"SEMVER","events":[{"introduced":"5.0.0"},{"fixed":"5.7.1"}]}]},{"source":"osv","ecosystem":"npm","package":"@zowe/imperative","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.18.10"}]}]}],"products":[{"vendor":"linuxfoundation","product":"zowe"},{"vendor":"open mainframe project","product":"zowe"}],"references":[{"url":"https://github.com/zowe/imperative/","tags":["product","x_transferred","Product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4326","tags":["advisory"]},{"url":"https://github.com/zowe/imperative/pull/900","tags":["web"]},{"url":"https://github.com/zowe/imperative/pull/902","tags":["web"]},{"url":"https://github.com/zowe/imperative/commits/v4.18.10","tags":["web"]},{"url":"https://github.com/zowe/imperative/commits/v5.7.1","tags":["web"]},{"url":"https://github.com/advisories/GHSA-6q8m-42qq-64r7"},{"url":"https://github.com/zowe/imperative","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-4326","title":"Imperative Local Command Injection allows Activity Masking","description":"A vulnerability in Imperative framework which allows already-privileged local actors to execute arbitrary shell commands via plugin install/update commands, or maliciously formed environment variables. Impacts Zowe CLI.","status":"published","published":"2023-02-22T15:21:06.657Z","modified":"2024-08-03T17:23:10.539Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C/CR:L/IR:X/AR:X/MAV:L/MAC:L/MPR:L/MUI:N/MS:U/MC:L/MI:X/MA:X","level":"low","assessor":"cna"}],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2023-0909","description":"A vulnerability in Imperative framework which allows already-privileged local actors to execute arbitrary shell commands via plugin install/update commands, or maliciously formed environment variables. Impacts Zowe CLI.","status":"published","published":"2023-02-22T15:21:06Z","modified":"2024-08-03T17:23:10Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C/CR:L/IR:X/AR:X/MAV:L/MAC:L/MPR:L/MUI:N/MS:U/MC:L/MI:X/MA:X","level":"low"}],"updated_at":"2026-11-03T03:25:10.418596Z"}],"ghsa":[{"id":"GHSA-6q8m-42qq-64r7","title":"Imperative CLI vulnerable to Command Injection","description":"A vulnerability in Imperative framework which allows already-privileged local actors to execute arbitrary shell commands via plugin install/update commands, or maliciously formed environment variables. Impacts Zowe CLI.","status":"published","published":"2023-03-01T09:30:29Z","modified":"2023-03-13T15:31:06Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:36:47.279442Z"}],"nvd":[{"id":"CVE-2021-4326","description":"A vulnerability in Imperative framework which allows already-privileged local actors to execute arbitrary shell commands via plugin install/update commands, or maliciously formed environment variables. Impacts Zowe CLI.","status":"published","published":"2023-03-01T08:15:10.187Z","modified":"2026-06-17T04:19:30.7Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"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"}],"updated_at":"2026-11-02T14:07:07.323379Z"}],"osv":[{"id":"CVE-2021-4326","description":"A vulnerability in Imperative framework which allows already-privileged local actors to execute arbitrary shell commands via plugin install/update commands, or maliciously formed environment variables. Impacts Zowe CLI.","status":"published","published":"2023-03-01T08:15:10.187Z","modified":"2026-10-24T10:50:43.961480306Z","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"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"GHSA-6q8m-42qq-64r7","title":"Imperative CLI vulnerable to Command Injection","description":"A vulnerability in Imperative framework which allows already-privileged local actors to execute arbitrary shell commands via plugin install/update commands, or maliciously formed environment variables. Impacts Zowe CLI.","status":"published","published":"2023-03-01T09:30:29Z","modified":"2023-11-08T04:07:09.29763Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:46:39.965326Z"}]}}