{"id":"CVE-2020-28268","aliases":["EUVD-2021-0958","GHSA-5pg7-v24c-9rp9"],"status":"published","title":"Prototype pollution in controlled-merge","description":"Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.","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","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0357,"percentile":0.89512,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2020-11-15T22:45:03Z","modified":"2026-10-20T10:53:03Z","fixes":[{"ecosystem":"npm","package":"controlled-merge","fixed_in":["1.3.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"controlled-merge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.3.0"}]}]},{"source":"osv","ecosystem":"npm","package":"controlled-merge","ranges":[{"type":"SEMVER","events":[{"introduced":"1.0.0"},{"fixed":"1.3.0"}]}]}],"products":[{"vendor":"controlled-merge_project","product":"controlled-merge"}],"references":[{"url":"https://github.com/hlfshell/controlled-merge/commit/5a4b2e9ffe5a0be7f8843d4ab038599d3ae5f9d4","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28268","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28268","tags":["advisory"]},{"url":"https://www.npmjs.com/package/controlled-merge","tags":["web"]},{"url":"https://github.com/advisories/GHSA-5pg7-v24c-9rp9"}],"sources":{"cve":[{"id":"CVE-2020-28268","description":"Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2020-11-15T22:45:03Z","modified":"2024-08-04T16:33:58.133Z","updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2021-0958","description":"Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2020-11-15T22:45:03Z","modified":"2024-08-04T16:33:58Z","updated_at":"2026-11-03T03:07:10.123634Z"}],"ghsa":[{"id":"GHSA-5pg7-v24c-9rp9","title":"Prototype pollution in controlled-merge","description":"Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-05-18T01:53:46Z","modified":"2023-02-01T05:05:37Z","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":"2026-11-02T14:36:34.917834Z"}],"nvd":[{"id":"CVE-2020-28268","description":"Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2020-11-15T23:15:12.967Z","modified":"2026-06-17T03:10:15.083Z","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":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:06:24.137599Z"}],"osv":[{"id":"CVE-2020-28268","description":"Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2020-11-15T23:15:12.967Z","modified":"2026-10-20T10:53:03.772713666Z","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"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-5pg7-v24c-9rp9","title":"Prototype pollution in controlled-merge","description":"Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-05-18T01:53:46Z","modified":"2023-11-08T04:03:24.404517Z","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":"2026-11-02T15:46:38.553953Z"}]}}