Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/39975?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/39975?format=api", "vulnerability_id": "VCID-shuq-ufcc-ruf5", "summary": "A TOCTOU race has been discovered in Shadow, which could result in the unauthorized modification of files.", "aliases": [ { "alias": "CVE-2013-4235" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/939314?format=api", "purl": "pkg:deb/debian/shadow@1:4.12.3%2Bdfsg1-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/shadow@1:4.12.3%252Bdfsg1-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/939301?format=api", "purl": "pkg:deb/debian/shadow@1:4.13%2Bdfsg1-1%2Bdeb12u2?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/shadow@1:4.13%252Bdfsg1-1%252Bdeb12u2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/995101?format=api", "purl": "pkg:deb/debian/shadow@1:4.13%2Bdfsg1-1%2Bdeb12u2", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/shadow@1:4.13%252Bdfsg1-1%252Bdeb12u2" }, { "url": "http://public2.vulnerablecode.io/api/packages/939306?format=api", "purl": "pkg:deb/debian/shadow@1:4.17.4-2?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/shadow@1:4.17.4-2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/939304?format=api", "purl": "pkg:deb/debian/shadow@1:4.19.3-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/shadow@1:4.19.3-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/939305?format=api", "purl": "pkg:deb/debian/shadow@1:4.19.3-2?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/shadow@1:4.19.3-2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/75489?format=api", "purl": "pkg:ebuild/sys-apps/shadow@4.12.2", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/sys-apps/shadow@4.12.2" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/939303?format=api", "purl": "pkg:deb/debian/shadow@1:4.8.1-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-shuq-ufcc-ruf5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/shadow@1:4.8.1-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/995100?format=api", "purl": "pkg:deb/debian/shadow@1:4.8.1-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-bcx3-q456-w7ad" }, { "vulnerability": "VCID-m3za-mkkw-p7e2" }, { "vulnerability": "VCID-shuq-ufcc-ruf5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/shadow@1:4.8.1-1" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-4235.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.4", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-4235.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2013-4235", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18107", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18163", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18317", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18019", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18102", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18264", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18391", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18526", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18478", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18427", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18371", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18115", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18204", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18304", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18269", "published_at": "2026-05-11T12:55:00Z" }, { "value": "0.00059", "scoring_system": "epss", "scoring_elements": "0.18297", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.0006", "scoring_system": "epss", "scoring_elements": "0.18864", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.0006", "scoring_system": "epss", "scoring_elements": "0.18876", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.0006", "scoring_system": "epss", "scoring_elements": "0.18765", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.0006", "scoring_system": "epss", "scoring_elements": "0.18746", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.0006", "scoring_system": "epss", "scoring_elements": "0.18702", "published_at": "2026-04-29T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2013-4235" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4235", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4235" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=778950", "reference_id": "778950", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=778950" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=884658", "reference_id": "884658", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=884658" }, { "reference_url": "https://security.gentoo.org/glsa/202210-26", "reference_id": "GLSA-202210-26", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/202210-26" }, { "reference_url": "https://usn.ubuntu.com/5745-1/", "reference_id": "USN-5745-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5745-1/" } ], "weaknesses": [ { "cwe_id": 367, "name": "Time-of-check Time-of-use (TOCTOU) Race Condition", "description": "The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state." } ], "exploits": [], "severity_range_score": "4.4 - 6.7", "exploitability": "0.5", "weighted_severity": "4.0", "risk_score": 2.0, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-shuq-ufcc-ruf5" }