Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/34124?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/34124?format=api", "vulnerability_id": "VCID-3efe-hmaw-u7fn", "summary": "Arbitrary file write in actionpack-page_caching gem\nThere is a vulnerability in actionpack_page-caching gem < v1.2.1 that allows an attacker to write arbitrary files to a web server, potentially resulting in remote code execution if the attacker can write unescaped ERB to a view.", "aliases": [ { "alias": "CVE-2020-8159" }, { "alias": "GHSA-mg5p-95m9-rmfp" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/938061?format=api", "purl": "pkg:deb/debian/ruby-actionpack-page-caching@1.2.2-1?distro=bullseye", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-actionpack-page-caching@1.2.2-1%3Fdistro=bullseye" }, { "url": "http://public2.vulnerablecode.io/api/packages/1057662?format=api", "purl": "pkg:deb/debian/ruby-actionpack-page-caching@1.2.2-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-actionpack-page-caching@1.2.2-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/938060?format=api", "purl": "pkg:deb/debian/ruby-actionpack-page-caching@1.2.4-1?distro=bullseye", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-actionpack-page-caching@1.2.4-1%3Fdistro=bullseye" }, { "url": "http://public2.vulnerablecode.io/api/packages/73619?format=api", "purl": "pkg:gem/actionpack-page_caching@1.2.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-gjey-bqtd-kqa1" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/actionpack-page_caching@1.2.1" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1057660?format=api", "purl": "pkg:deb/debian/ruby-actionpack-page-caching@1.0.2-4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3efe-hmaw-u7fn" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-actionpack-page-caching@1.0.2-4" }, { "url": "http://public2.vulnerablecode.io/api/packages/1057661?format=api", "purl": "pkg:deb/debian/ruby-actionpack-page-caching@1.1.0-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3efe-hmaw-u7fn" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-actionpack-page-caching@1.1.0-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/206048?format=api", "purl": "pkg:gem/actionpack-page_caching@1.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3efe-hmaw-u7fn" }, { "vulnerability": "VCID-gjey-bqtd-kqa1" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/actionpack-page_caching@1.0.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/206049?format=api", "purl": "pkg:gem/actionpack-page_caching@1.0.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3efe-hmaw-u7fn" }, { "vulnerability": "VCID-gjey-bqtd-kqa1" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/actionpack-page_caching@1.0.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/206050?format=api", "purl": "pkg:gem/actionpack-page_caching@1.0.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3efe-hmaw-u7fn" }, { "vulnerability": "VCID-gjey-bqtd-kqa1" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/actionpack-page_caching@1.0.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/206051?format=api", "purl": "pkg:gem/actionpack-page_caching@1.1.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3efe-hmaw-u7fn" }, { "vulnerability": "VCID-gjey-bqtd-kqa1" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/actionpack-page_caching@1.1.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/206052?format=api", "purl": "pkg:gem/actionpack-page_caching@1.1.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3efe-hmaw-u7fn" }, { "vulnerability": "VCID-gjey-bqtd-kqa1" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/actionpack-page_caching@1.1.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/206053?format=api", "purl": "pkg:gem/actionpack-page_caching@1.2.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3efe-hmaw-u7fn" }, { "vulnerability": "VCID-gjey-bqtd-kqa1" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/actionpack-page_caching@1.2.0" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-8159", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90232", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90168", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90165", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90179", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90178", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90176", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90187", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90203", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90214", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90209", "published_at": "2026-05-11T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90218", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90108", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90111", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90123", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90127", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90143", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90149", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90157", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90156", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.0542", "scoring_system": "epss", "scoring_elements": "0.90151", "published_at": "2026-04-13T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-8159" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8159", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8159" }, { "reference_url": "https://github.com/rails/actionpack-page_caching/commit/127da70a559bed4fc573fdb4a6d498a7d5815ce2", "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/rails/actionpack-page_caching/commit/127da70a559bed4fc573fdb4a6d498a7d5815ce2" }, { "reference_url": "https://groups.google.com/forum/#!topic/rubyonrails-security/CFRVkEytdP8", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3", "scoring_elements": "" }, { "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://groups.google.com/forum/#!topic/rubyonrails-security/CFRVkEytdP8" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00019.html", "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://lists.debian.org/debian-lts-announce/2021/07/msg00019.html" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8159", "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://nvd.nist.gov/vuln/detail/CVE-2020-8159" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=960680", "reference_id": "960680", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=960680" }, { "reference_url": "https://github.com/advisories/GHSA-mg5p-95m9-rmfp", "reference_id": "GHSA-mg5p-95m9-rmfp", "reference_type": "", "scores": [ { "value": "CRITICAL", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-mg5p-95m9-rmfp" } ], "weaknesses": [ { "cwe_id": 22, "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "description": "The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." } ], "exploits": [], "severity_range_score": "9.0 - 10.0", "exploitability": "0.5", "weighted_severity": "9.0", "risk_score": 4.5, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-3efe-hmaw-u7fn" }