{"id":"CVE-2020-7704","aliases":["EUVD-2022-1956","GHSA-2c29-wc65-4cx9","SNYK-JS-LINUXCMDLINE-598674"],"status":"published","title":"Prototype Pollution","description":"The package linux-cmdline before 1.0.1 are vulnerable to Prototype Pollution via the constructor.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02704,"percentile":0.86056,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321","CWE-20"],"published":"2020-08-17T16:20:12Z","modified":"2026-10-20T10:54:24Z","fixes":[{"ecosystem":"npm","package":"linux-cmdline","fixed_in":["1.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"linux-cmdline","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1"}]}]},{"source":"osv","ecosystem":"npm","package":"linux-cmdline","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.0.1"}]}]}],"products":[{"vendor":"linux-cmdline_project","product":"linux-cmdline"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-LINUXCMDLINE-598674","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/piranna/linux-cmdline/commit/53c61a88bc47eb25d71832205056beaab95cf677","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7704","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2c29-wc65-4cx9"},{"url":"https://github.com/piranna/linux-cmdline","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-7704","title":"Prototype Pollution","description":"The package linux-cmdline before 1.0.1 are vulnerable to Prototype Pollution via the constructor.","status":"published","published":"2020-08-17T16:20:12.454Z","modified":"2024-09-17T02:37:10.235Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2022-1956","description":"The package linux-cmdline before 1.0.1 are vulnerable to Prototype Pollution via the constructor.","status":"published","published":"2020-08-17T16:20:12Z","modified":"2024-09-17T02:37:10Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-03T00:28:38.75517Z"}],"ghsa":[{"id":"GHSA-2c29-wc65-4cx9","title":"linux-cmdline is vulnerable to Prototype Pollution via the constructor","description":"The package linux-cmdline is a parser for Linux kernel command line arguments. Versions before 1.0.1 are vulnerable to Prototype Pollution via the constructor.","status":"published","published":"2022-05-24T17:26:04Z","modified":"2023-01-31T05:02:17Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20","CWE-1321"],"updated_at":"2026-11-02T14:36:29.100018Z"}],"nvd":[{"id":"CVE-2020-7704","description":"The package linux-cmdline before 1.0.1 are vulnerable to Prototype Pollution via the constructor.","status":"published","published":"2020-08-17T17:15:14.097Z","modified":"2026-06-17T03:25:17.81Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:06:13.05572Z"}],"osv":[{"id":"CVE-2020-7704","description":"The package linux-cmdline before 1.0.1 are vulnerable to Prototype Pollution via the constructor.","status":"published","published":"2020-08-17T17:15:14.097Z","modified":"2026-10-20T10:54:24.270444957Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:17.34531Z"},{"id":"GHSA-2c29-wc65-4cx9","title":"linux-cmdline is vulnerable to Prototype Pollution via the constructor","description":"The package linux-cmdline is a parser for Linux kernel command line arguments. Versions before 1.0.1 are vulnerable to Prototype Pollution via the constructor.","status":"published","published":"2022-05-24T17:26:04Z","modified":"2026-07-08T06:49:51.400756871Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-1321","CWE-20"],"updated_at":"2026-11-02T15:46:34.338541Z"}]}}