{"id":"CVE-2020-7718","aliases":["EUVD-2021-1150","GHSA-pgmg-gf5p-54j8"],"status":"published","title":"Prototype Pollution","description":"All versions of package gammautils are vulnerable to Prototype Pollution via the deepSet and deepMerge functions.","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":0.01916,"percentile":0.80007,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2020-09-01T09:25:11Z","modified":"2026-06-17T03:25:19Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"gammautils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.0.81"}]}]},{"source":"osv","ecosystem":"npm","package":"gammautils","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.0.81"}]}]}],"products":[{"vendor":"gammautils_project","product":"gammautils"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-GAMMAUTILS-598670","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7718","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-pgmg-gf5p-54j8"}],"sources":{"cve":[{"id":"CVE-2020-7718","title":"Prototype Pollution","description":"All versions of package gammautils are vulnerable to Prototype Pollution via the deepSet and deepMerge functions.","status":"published","published":"2020-09-01T09:25:11.809Z","modified":"2024-09-16T22:25:24.101Z","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":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2021-1150","description":"All versions of package gammautils are vulnerable to Prototype Pollution via the deepSet and deepMerge functions.","status":"published","published":"2020-09-01T09:25:11Z","modified":"2024-09-16T22:25:24Z","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":"2026-11-03T00:55:02.946444Z"}],"ghsa":[{"id":"GHSA-pgmg-gf5p-54j8","title":"Prototype Pollution in gammautils","description":"All versions of package gammautils up to and including version 0.0.81 are vulnerable to Prototype Pollution via the `deepSet` and `deepMerge` functions.","status":"published","published":"2021-05-06T18:26:14Z","modified":"2023-09-07T00:00:21Z","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":"2026-11-02T14:37:02.632342Z"}],"nvd":[{"id":"CVE-2020-7718","description":"All versions of package gammautils are vulnerable to Prototype Pollution via the deepSet and deepMerge functions.","status":"published","published":"2020-09-01T10:15:10.497Z","modified":"2026-06-17T03:25:19.437Z","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":"2026-11-02T14:06:13.600965Z"}],"osv":[{"id":"GHSA-pgmg-gf5p-54j8","title":"Prototype Pollution in gammautils","description":"All versions of package gammautils up to and including version 0.0.81 are vulnerable to Prototype Pollution via the `deepSet` and `deepMerge` functions.","status":"published","published":"2021-05-06T18:26:14Z","modified":"2023-11-08T04:04:06.659092Z","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":"2026-11-02T15:46:53.244788Z"}]}}