{"id":"CVE-2021-25946","aliases":["EUVD-2021-1338","GHSA-hx7j-43w2-7rj7"],"status":"published","title":"Prototype pollution in nconf-toml","description":"Prototype pollution vulnerability in `nconf-toml` versions 0.0.1 through 0.0.2 allows an attacker to cause a denial of service and may lead to remote code execution.","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","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.03299,"percentile":0.88622,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2021-05-25T18:48:25Z","modified":"2026-10-20T10:54:34Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"nconf-toml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.0.1"},{"last_affected":"0.0.2"}]}]},{"source":"osv","ecosystem":"npm","package":"nconf-toml","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.1"},{"last_affected":"0.0.2"}]}]}],"products":[{"vendor":"nconf-toml_project","product":"nconf-toml"}],"references":[{"url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25946","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/RobLoach/nconf-toml/blob/8ade08cd1cfb9691ab7cc5c3514cc05c5085918f/index.js#L8","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25946","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hx7j-43w2-7rj7"},{"url":"https://github.com/RobLoach/nconf-toml","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-25946","description":"Prototype pollution vulnerability in `nconf-toml` versions 0.0.1 through 0.0.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-05-25T18:48:25Z","modified":"2024-08-03T20:19:18.523Z","updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-1338","description":"Prototype pollution vulnerability in `nconf-toml` versions 0.0.1 through 0.0.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-05-25T18:48:25Z","modified":"2024-08-03T20:19:18Z","updated_at":"2026-11-03T03:24:51.962182Z"}],"ghsa":[{"id":"GHSA-hx7j-43w2-7rj7","title":"Prototype pollution in nconf-toml","description":"Prototype pollution vulnerability in `nconf-toml` versions 0.0.1 through 0.0.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-06-07T22:12:13Z","modified":"2023-02-01T05:05:49Z","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"],"updated_at":"2026-11-02T14:36:35.781528Z"}],"nvd":[{"id":"CVE-2021-25946","description":"Prototype pollution vulnerability in `nconf-toml` versions 0.0.1 through 0.0.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-05-25T19:15:07.71Z","modified":"2026-06-17T03:42:39.433Z","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":"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":"2026-11-02T14:06:53.987491Z"}],"osv":[{"id":"CVE-2021-25946","description":"Prototype pollution vulnerability in `nconf-toml` versions 0.0.1 through 0.0.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-05-25T19:15:07.71Z","modified":"2026-10-20T10:54:34.182374435Z","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":"2026-11-02T15:44:18.778776Z"},{"id":"GHSA-hx7j-43w2-7rj7","title":"Prototype pollution in nconf-toml","description":"Prototype pollution vulnerability in `nconf-toml` versions 0.0.1 through 0.0.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-06-07T22:12:13Z","modified":"2023-11-08T04:05:18.079215Z","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"],"updated_at":"2026-11-02T15:46:49.621585Z"}]}}