Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/39307?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/39307?format=api", "purl": "pkg:npm/immer@9.0.5", "type": "npm", "namespace": "", "name": "immer", "version": "9.0.5", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "9.0.6", "latest_non_vulnerable_version": "9.0.6", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/11185?format=api", "vulnerability_id": "VCID-2xa5-ggz7-uudj", "summary": "Improperly Controlled Modification of Dynamically-Determined Object Attributes\nimmer is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3757.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3757.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3757", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69298", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.6927", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69256", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69227", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69266", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69275", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69255", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69306", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69313", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69321", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69162", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69178", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69198", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69179", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.6923", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00592", "scoring_system": "epss", "scoring_elements": "0.69248", "published_at": "2026-04-09T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3757" }, { "reference_url": "https://github.com/immerjs/immer", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/immerjs/immer" }, { "reference_url": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237" }, { "reference_url": "https://huntr.dev/bounties/23d38099-71cd-42ed-a77a-71e68094adfa", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://huntr.dev/bounties/23d38099-71cd-42ed-a77a-71e68094adfa" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2000734", "reference_id": "2000734", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2000734" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3757", "reference_id": "CVE-2021-3757", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3757" }, { "reference_url": "https://github.com/advisories/GHSA-c36v-fmgq-m8hx", "reference_id": "GHSA-c36v-fmgq-m8hx", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-c36v-fmgq-m8hx" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4848", "reference_id": "RHSA-2021:4848", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4848" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/39238?format=api", "purl": "pkg:npm/immer@9.0.6", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/immer@9.0.6" } ], "aliases": [ "CVE-2021-3757", "GHSA-c36v-fmgq-m8hx" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-2xa5-ggz7-uudj" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/11167?format=api", "vulnerability_id": "VCID-48k4-6btj-9kha", "summary": "Access of Resource Using Incompatible Type (Type Confusion)\nA type confusion vulnerability can lead to a bypass of CVE-2020-28477 when the user-provided keys used in the path parameter are arrays. In particular, this bypass is possible because the condition `(p === \"__proto__\" || p === \"constructor\")` in `applyPatches_` returns false if `p` is `['__proto__']` (or `['constructor']`). The `===` operator (strict equality operator) returns false if the operands have different type.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-23436.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-23436.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-23436", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.26949", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.26939", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.26996", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.27041", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.27056", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.26992", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.26923", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.27132", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.27096", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00098", "scoring_system": "epss", "scoring_elements": "0.27037", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.0031", "scoring_system": "epss", "scoring_elements": "0.54073", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.0031", "scoring_system": "epss", "scoring_elements": "0.54171", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.0031", "scoring_system": "epss", "scoring_elements": "0.54137", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.0031", "scoring_system": "epss", "scoring_elements": "0.54149", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.0031", "scoring_system": "epss", "scoring_elements": "0.54125", "published_at": "2026-04-29T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-23436" }, { "reference_url": "https://github.com/immerjs/immer", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/immerjs/immer" }, { "reference_url": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237" }, { "reference_url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579266", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579266" }, { "reference_url": "https://snyk.io/vuln/SNYK-JS-IMMER-1540542", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://snyk.io/vuln/SNYK-JS-IMMER-1540542" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2041833", "reference_id": "2041833", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2041833" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23436", "reference_id": "CVE-2021-23436", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23436" }, { "reference_url": "https://github.com/advisories/GHSA-33f9-j839-rf8h", "reference_id": "GHSA-33f9-j839-rf8h", "reference_type": "", "scores": [ { "value": "CRITICAL", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-33f9-j839-rf8h" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/39238?format=api", "purl": "pkg:npm/immer@9.0.6", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/immer@9.0.6" } ], "aliases": [ "CVE-2021-23436", "GHSA-33f9-j839-rf8h" ], "risk_score": 4.5, "exploitability": "0.5", "weighted_severity": "9.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-48k4-6btj-9kha" } ], "fixing_vulnerabilities": [], "risk_score": "4.5", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/immer@9.0.5" }