{"id":"CVE-2022-22143","aliases":["EUVD-2022-1861","GHSA-x2w5-725j-gf2g","SNYK-JS-CONVICT-2340604"],"status":"published","title":"Prototype Pollution","description":"The package convict before 6.2.2 are vulnerable to Prototype Pollution via the convict function due to missing validation of parentKey. **Note:** This vulnerability derives from an incomplete fix of another [vulnerability](https://security.snyk.io/vuln/SNYK-JS-CONVICT-1062508)","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":"2026-11-10","score":0.02179,"percentile":0.82497,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2022-04-20T16:21:03Z","modified":"2026-10-28T02:30:52Z","fixes":[{"ecosystem":"npm","package":"convict","fixed_in":["6.2.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"convict","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.3"}]}]},{"source":"osv","ecosystem":"npm","package":"convict","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"6.2.3"}]}]}],"products":[{"vendor":"mozilla","product":"convict"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-CONVICT-2340604","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","advisory","web"]},{"url":"https://github.com/mozilla/node-convict/blob/5eb1314f85346760a3c31cb14510f2f0af11d0d3/packages/convict/src/main.js%23L569","tags":["x_refsource_MISC","x_transferred","Broken Link","web"]},{"url":"https://github.com/mozilla/node-convict/commit/3b86be087d8f14681a9c889d45da7fe3ad9cd880","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/mozilla/node-convict/security/advisories/GHSA-x2w5-725j-gf2g","tags":["web"]},{"url":"https://github.com/mozilla/node-convict/pull/384","tags":["web"]},{"url":"https://github.com/mozilla/node-convict/releases/tag/v6.2.2","tags":["web"]},{"url":"https://www.huntr.dev/bounties/1-npm-convict/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-22143","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-x2w5-725j-gf2g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/22xxx/CVE-2022-22143.json","tags":["advisory"]},{"url":"https://github.com/mozilla/node-convict","tags":["web"]},{"url":"https://www.huntr.dev/bounties/1-npm-convict","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2022-22143","title":"Prototype Pollution","description":"The package convict before 6.2.2 are vulnerable to Prototype Pollution via the convict function due to missing validation of parentKey. **Note:** This vulnerability derives from an incomplete fix of another [vulnerability](https://security.snyk.io/vuln/SNYK-JS-CONVICT-1062508)","status":"published","published":"2022-05-01T15:30:45.287Z","modified":"2024-09-17T02:02:16.928Z","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":"2026-11-02T14:34:26.293612Z"}],"euvd":[{"id":"EUVD-2022-1861","description":"The package convict before 6.2.2 are vulnerable to Prototype Pollution via the convict function due to missing validation of parentKey. **Note:** This vulnerability derives from an incomplete fix of another [vulnerability](https://security.snyk.io/vuln/SNYK-JS-CONVICT-1062508)","status":"published","published":"2022-05-01T15:30:45Z","modified":"2024-09-17T02:02:16Z","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":"2026-11-03T00:28:44.385816Z"}],"ghsa":[{"id":"GHSA-x2w5-725j-gf2g","title":"Prototype Pollution in convict","description":"### Impact\n\n* An attacker can inject attributes that are used in other components\n* An attacker can override existing attributes with ones that have incompatible type, which may lead to a crash.\n\nThe main use case of Convict is for handling server-side configurations written by the admins owning the servers, and not random users. So it's unlikely that an admin would deliberately sabotage their own server. Still a situation can happen where an admin not knowledgeable about JavaScript could be tricked by an attacker into writing the malicious JavaScript code into some config files.\n\n### Patches\n\nThe problem is patched in `convict@6.2.3`. Users should upgrade to `convict@6.2.3`.\n\n### Workarounds\n\nNo way for users to fix or remediate the vulnerability without upgrading\n\n### References\n\n* https://www.huntr.dev/bounties/1-npm-convict/\n* #384\n* 3b86be087d8f14681a9c889d45da7fe3ad9cd880\n* 1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75\n\n### For more information\n\nIf you have any questions or comments about this advisory: \nadd your question as a comment in #384 \n","status":"published","published":"2022-04-20T16:21:03Z","modified":"2023-01-27T05:01:51Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:17.04874Z"}],"nvd":[{"id":"CVE-2022-22143","description":"The package convict before 6.2.2 are vulnerable to Prototype Pollution via the convict function due to missing validation of parentKey. **Note:** This vulnerability derives from an incomplete fix of another [vulnerability](https://security.snyk.io/vuln/SNYK-JS-CONVICT-1062508)","status":"published","published":"2022-05-01T16:15:08.307Z","modified":"2026-06-17T04:27:49.693Z","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":"2026-11-02T14:07:18.660414Z"}],"osv":[{"id":"CVE-2022-22143","title":"Prototype Pollution","description":"The package convict before 6.2.2 are vulnerable to Prototype Pollution via the convict function due to missing validation of parentKey. **Note:** This vulnerability derives from an incomplete fix of another [vulnerability](https://security.snyk.io/vuln/SNYK-JS-CONVICT-1062508)","status":"published","published":"2022-05-01T15:30:45.287Z","modified":"2026-10-28T02:30:52.31737142Z","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":"2026-11-02T15:44:24.061177Z"},{"id":"GHSA-x2w5-725j-gf2g","title":"Prototype Pollution in convict","description":"### Impact\n\n* An attacker can inject attributes that are used in other components\n* An attacker can override existing attributes with ones that have incompatible type, which may lead to a crash.\n\nThe main use case of Convict is for handling server-side configurations written by the admins owning the servers, and not random users. So it's unlikely that an admin would deliberately sabotage their own server. Still a situation can happen where an admin not knowledgeable about JavaScript could be tricked by an attacker into writing the malicious JavaScript code into some config files.\n\n### Patches\n\nThe problem is patched in `convict@6.2.3`. Users should upgrade to `convict@6.2.3`.\n\n### Workarounds\n\nNo way for users to fix or remediate the vulnerability without upgrading\n\n### References\n\n* https://www.huntr.dev/bounties/1-npm-convict/\n* #384\n* 3b86be087d8f14681a9c889d45da7fe3ad9cd880\n* 1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75\n\n### For more information\n\nIf you have any questions or comments about this advisory: \nadd your question as a comment in #384 \n","status":"published","published":"2022-04-20T16:21:03Z","modified":"2026-09-10T03:49:19.385784063Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:59.484835Z"}]}}