{"id":"CVE-2020-7699","aliases":["EUVD-2020-0608","GHSA-9wcg-jrwf-8gg7","SNYK-JS-EXPRESSFILEUPLOAD-595969"],"status":"published","title":"Prototype Pollution","description":"This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary 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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.04762,"percentile":0.91961,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-1321","CWE-915"],"published":"2020-07-30T09:05:14Z","modified":"2026-10-20T10:54:24Z","exploits":[{"source":"pocgithub","id":"zodiac12-pub/CVE-2020-7699_reproduce","title":"zodiac12-pub/CVE-2020-7699_reproduce","date":"2021-11-14","url":"https://github.com/zodiac12-pub/CVE-2020-7699_reproduce"}],"fixes":[{"ecosystem":"npm","package":"express-fileupload","fixed_in":["1.1.9"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"express-fileupload","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.9"}]}]},{"source":"osv","ecosystem":"npm","package":"express-fileupload","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.1.9"}]}]}],"products":[{"vendor":"express-fileupload_project","product":"express-fileupload"},{"vendor":"netapp","product":"max_data"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-EXPRESSFILEUPLOAD-595969","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/richardgirges/express-fileupload/issues/236","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://security.netapp.com/advisory/ntap-20200821-0003/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7699","tags":["advisory"]},{"url":"https://github.com/richardgirges/express-fileupload/pull/237","tags":["web"]},{"url":"https://github.com/richardgirges/express-fileupload/commit/db495357d7557ceb5c034de91a7a574bd12f9b9f","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9wcg-jrwf-8gg7"},{"url":"https://github.com/richardgirges/express-fileupload","tags":["package"]},{"url":"https://security.netapp.com/advisory/ntap-20200821-0003","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-7699","title":"Prototype Pollution","description":"This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.","status":"published","published":"2020-07-30T09:05:14.105Z","modified":"2024-09-17T03:03:39.32Z","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":"cna"}],"updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-0608","description":"This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.","status":"published","published":"2020-07-30T09:05:14Z","modified":"2024-09-17T03:03:39Z","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"}],"updated_at":"2026-11-03T00:28:34.673232Z"}],"ghsa":[{"id":"GHSA-9wcg-jrwf-8gg7","title":"Prototype Pollution in express-fileupload","description":"This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.","status":"published","published":"2020-08-05T14:53:16Z","modified":"2023-01-27T05:09:01Z","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-915","CWE-1321"],"updated_at":"2026-11-02T14:36:22.592333Z"}],"nvd":[{"id":"CVE-2020-7699","description":"This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.","status":"published","published":"2020-07-30T09:15:11.373Z","modified":"2026-06-17T03:25:17.297Z","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":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"CVE-2020-7699","description":"This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.","status":"published","published":"2020-07-30T09:15:11.373Z","modified":"2026-10-20T10:54:24.247342125Z","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":"2026-11-02T15:44:17.34531Z"},{"id":"GHSA-9wcg-jrwf-8gg7","title":"Prototype Pollution in express-fileupload","description":"This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.","status":"published","published":"2020-08-05T14:53:16Z","modified":"2026-07-08T06:49:33.356280756Z","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","CWE-915"],"updated_at":"2026-11-02T15:46:44.225359Z"}]}}