{"id":"CVE-2021-3805","aliases":["CLSA-2026-1774830277","DEBIAN-CVE-2021-3805","DLA-3291-1","EUVD-2021-2018","GHSA-8v63-cqqc-6r2c","UBUNTU-CVE-2021-3805","USN-5967-1"],"status":"published","title":"Prototype Pollution in mariocasciaro/object-path","description":"object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0204,"percentile":0.8139,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321","CWE-915"],"published":"2021-09-17T00:00:00Z","modified":"2026-10-23T18:05:22Z","fixes":[{"ecosystem":"npm","package":"object-path","fixed_in":["0.11.8"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"node-object-path","fixed_in":["0.11.8-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"node-object-path","fixed_in":["0.11.8-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"node-object-path","fixed_in":["0.11.8-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"node-object-path","fixed_in":["0.11.3-1ubuntu0.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"node-object-path","fixed_in":["0.11.4-2ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.8"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.11.4-tuxcare.0"},{"fixed":"0.11.4-tuxcare.1"}]}],"versions":["0.11.4"],"bundled":3},{"source":"osv","ecosystem":"Debian:12","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.8-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.8-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.8-1"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.4-2+deb10u2"}]}],"versions":["0.11.4-2","0.11.4-2+deb10u1"],"bundled":2},{"source":"osv","ecosystem":"npm","package":"object-path","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.11.8"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.3-1ubuntu0.1"}]}],"versions":["0.11.3-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.4-2ubuntu0.1"}]}],"versions":["0.11.4-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.8+~0.11.1-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.8+~0.11.1-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.8+~0.11.4-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.8+~0.11.1-2","0.11.8+~0.11.4-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.3-1ubuntu0.1"}]}],"versions":["0.11.3-1"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"node-object-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.4-2ubuntu0.1"}]}],"versions":["0.11.4-2"],"bundled":3}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"mariocasciaro","product":"mariocasciaro/object-path"},{"vendor":"object-path_project","product":"object-path"}],"references":[{"url":"https://huntr.dev/bounties/571e3baf-7c46-46e3-9003-ba7e4e623053","tags":["x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://github.com/mariocasciaro/object-path/commit/e6bb638ffdd431176701b3e9024f80050d0ef0a6","tags":["x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/01/msg00031.html","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3805","tags":["advisory"]},{"url":"https://github.com/mariocasciaro/object-path/commit/4f0903fd7c832d12ccbe0d9c3d7e25d985e9e884","tags":["web"]},{"url":"https://github.com/advisories/GHSA-8v63-cqqc-6r2c"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-3805","tags":["advisory"]},{"url":"https://github.com/mariocasciaro/object-path","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2021-3805","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-5967-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-3805","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-15256","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-23434","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-3805","title":"Prototype Pollution in mariocasciaro/object-path","description":"object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","status":"published","published":"2021-09-17T00:00:00Z","modified":"2024-08-03T17:09:09.6Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-2018","description":"object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","status":"published","published":"2021-09-17T00:00:00Z","modified":"2024-08-03T17:09:09Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:11.376657Z"}],"ghsa":[{"id":"GHSA-8v63-cqqc-6r2c","title":"Prototype Pollution in object-path","description":"object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'). The `del()` function fails to validate which Object properties it deletes. This allows attackers to modify the prototype of Object, causing the modification of default properties like `toString` on all objects.","status":"published","published":"2021-09-20T20:46:43Z","modified":"2023-11-29T22:12:09Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-915","CWE-1321"],"updated_at":"2026-11-02T14:37:23.843848Z"}],"nvd":[{"id":"CVE-2021-3805","description":"object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","status":"published","published":"2021-09-17T06:15:06.623Z","modified":"2026-06-17T04:05:48.12Z","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":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"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":"2026-11-02T14:06:58.933037Z"}],"osv":[{"id":"CVE-2021-3805","description":"object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","status":"published","published":"2021-09-17T06:15:06.623Z","modified":"2026-10-20T10:54:50.769232725Z","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":"2026-11-02T15:44:20.843843Z"},{"id":"DEBIAN-CVE-2021-3805","description":"object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","status":"published","published":"2021-09-17T06:15:06.623Z","modified":"2026-10-23T18:05:22.97780728Z","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":"2026-11-02T15:45:35.521549Z"},{"id":"GHSA-8v63-cqqc-6r2c","title":"Prototype Pollution in object-path","description":"object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'). The `del()` function fails to validate which Object properties it deletes. This allows attackers to modify the prototype of Object, causing the modification of default properties like `toString` on all objects.","status":"published","published":"2021-09-20T20:46:43Z","modified":"2023-11-08T04:06:25.250672Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1321","CWE-915"],"updated_at":"2026-11-02T15:46:42.78452Z"},{"id":"UBUNTU-CVE-2021-3805","description":"object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","status":"published","published":"2021-09-17T06:15:00Z","modified":"2026-10-17T12:57:13.605356651Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"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":"2026-11-02T15:54:28.526929Z"},{"id":"CLSA-2026-1774830277","title":"TuxCare security update for object-path (3 CVEs)","description":"TuxCare rebuilt object-path to address 3 CVEs. Fixed in 0.11.4-tuxcare.1.","status":"published","published":"2026-08-04T14:52:16Z","modified":"2026-10-15T09:45:09.087205591Z","updated_at":"2026-11-02T15:43:43.621843Z"},{"id":"DLA-3291-1","title":"node-object-path - security update","status":"published","published":"2023-01-29T00:00:00Z","modified":"2026-03-09T01:22:40.871829Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"USN-5967-1","title":"node-object-path vulnerabilities","description":"It was discovered that the set() method in object-path could be corrupted\nas a result of prototype pollution by sending a message to the parent\nprocess. An attacker could use this issue to cause object-path to crash.\n(CVE-2020-15256, CVE-2021-23434, CVE-2021-3805)\n","status":"published","published":"2023-03-22T00:07:34Z","modified":"2026-04-27T16:47:20.47199347Z","updated_at":"2026-11-02T16:58:16.738762Z"}]}}