{"id":"CVE-2021-23760","aliases":["EUVD-2022-0939","GHSA-9fp7-4fjm-q3mf"],"status":"published","title":"Prototype Pollution","description":"The package keyget from 0.0.0 are vulnerable to Prototype Pollution via the methods set, push, and at which could allow an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix to [CVE-2020-28272](https://security.snyk.io/vuln/SNYK-JS-KEYGET-1048048)","severity":{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01678,"percentile":0.77102,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2022-01-28T21:31:30Z","modified":"2026-06-17T03:38:52Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"keyget","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.4.0"}]}]},{"source":"osv","ecosystem":"npm","package":"keyget","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"2.4.0"}]}]}],"products":[{"vendor":"keyget_project","product":"keyget"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-KEYGET-2342624","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23760","tags":["advisory"]},{"url":"https://security.snyk.io/vuln/SNYK-JS-KEYGET-1048048","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9fp7-4fjm-q3mf"},{"url":"https://github.com/rumkin/keyget","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-23760","title":"Prototype Pollution","description":"The package keyget from 0.0.0 are vulnerable to Prototype Pollution via the methods set, push, and at which could allow an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix to [CVE-2020-28272](https://security.snyk.io/vuln/SNYK-JS-KEYGET-1048048)","status":"published","published":"2022-01-28T21:31:30.439Z","modified":"2024-09-17T01:31:13.646Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2022-0939","description":"The package keyget from 0.0.0 are vulnerable to Prototype Pollution via the methods set, push, and at which could allow an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix to [CVE-2020-28272](https://security.snyk.io/vuln/SNYK-JS-KEYGET-1048048)","status":"published","published":"2022-01-28T21:31:30Z","modified":"2024-09-17T01:31:13Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"medium"}],"updated_at":"2026-11-03T00:28:48.901339Z"}],"ghsa":[{"id":"GHSA-9fp7-4fjm-q3mf","title":"Prototype Pollution in keyget","description":"The package keyget from 0.0.0 are vulnerable to Prototype Pollution via the methods set, push, and at which could allow an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix to [CVE-2020-28272](https://security.snyk.io/vuln/SNYK-JS-KEYGET-1048048)","status":"published","published":"2022-02-01T00:51:01Z","modified":"2023-02-03T05:05:33Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:42.703723Z"}],"nvd":[{"id":"CVE-2021-23760","description":"The package keyget from 0.0.0 are vulnerable to Prototype Pollution via the methods set, push, and at which could allow an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix to [CVE-2020-28272](https://security.snyk.io/vuln/SNYK-JS-KEYGET-1048048)","status":"published","published":"2022-01-28T22:15:09.13Z","modified":"2026-06-17T03:38:52.497Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","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":"2026-11-02T14:07:04.178977Z"}],"osv":[{"id":"GHSA-9fp7-4fjm-q3mf","title":"Prototype Pollution in keyget","description":"The package keyget from 0.0.0 are vulnerable to Prototype Pollution via the methods set, push, and at which could allow an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix to [CVE-2020-28272](https://security.snyk.io/vuln/SNYK-JS-KEYGET-1048048)","status":"published","published":"2022-02-01T00:51:01Z","modified":"2023-11-08T04:05:13.056647Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:43.524801Z"}]}}