{"id":"CVE-2021-23497","aliases":["EUVD-2022-0787","GHSA-39qv-prmh-x37f","SNYK-JS-STRIKEENTCOSET-2385945"],"status":"published","title":"Prototype Pollution","description":"This affects the package @strikeentco/set before 1.0.2. It allows an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-STRIKEENTCOSET-1038821","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.03734,"percentile":0.89988,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2022-02-04T20:00:14Z","modified":"2026-10-20T10:54:32Z","fixes":[{"ecosystem":"npm","package":"@strikeentco/set","fixed_in":["1.0.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@strikeentco/set","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2"}]}]},{"source":"osv","ecosystem":"npm","package":"@strikeentco/set","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.0.2"}]}]}],"products":[{"vendor":"set_project","product":"set"}],"references":[{"url":"https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/","tags":["x_refsource_MISC","x_transferred","Not Applicable","article"]},{"url":"https://snyk.io/vuln/SNYK-JS-STRIKEENTCOSET-2385945","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/strikeentco/set/commit/b2f942c","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23497","tags":["advisory"]},{"url":"https://security.snyk.io/vuln/SNYK-JS-STRIKEENTCOSET-1038821","tags":["web"]},{"url":"https://github.com/advisories/GHSA-39qv-prmh-x37f"},{"url":"https://github.com/strikeentco/set","tags":["web"]},{"url":"https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-23497","title":"Prototype Pollution","description":"This affects the package @strikeentco/set before 1.0.2. It allows an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-STRIKEENTCOSET-1038821","status":"published","published":"2022-02-04T20:00:14.625Z","modified":"2024-09-16T19:00:53.289Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:00.488332Z"}],"euvd":[{"id":"EUVD-2022-0787","description":"This affects the package @strikeentco/set before 1.0.2. 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It allows an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-STRIKEENTCOSET-1038821","status":"published","published":"2022-02-05T00:00:26Z","modified":"2023-02-03T05:05:39Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:42.703723Z"}],"nvd":[{"id":"CVE-2021-23497","description":"This affects the package @strikeentco/set before 1.0.2. It allows an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-STRIKEENTCOSET-1038821","status":"published","published":"2022-02-04T20:15:08.417Z","modified":"2026-06-17T03:38:48.3Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","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":"CVE-2021-23497","description":"This affects the package @strikeentco/set before 1.0.2. It allows an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-STRIKEENTCOSET-1038821","status":"published","published":"2022-02-04T20:15:08.417Z","modified":"2026-10-20T10:54:32.43904162Z","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-39qv-prmh-x37f","title":"Prototype Pollution in @strikeentco/set","description":"This affects the package @strikeentco/set before 1.0.2. It allows an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-STRIKEENTCOSET-1038821","status":"published","published":"2022-02-05T00:00:26Z","modified":"2026-07-08T06:49:50.507027055Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:35.406455Z"}]}}