Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/11826?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/11826?format=api", "vulnerability_id": "VCID-caba-95ag-9yf8", "summary": "Improper Privilege Management\nASP.NET Core and Visual Studio Elevation of Privilege Vulnerability", "aliases": [ { "alias": "CVE-2021-43877" } ], "fixed_packages": [], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/374718?format=api", "purl": "pkg:alpm/archlinux/dotnet-runtime@6.0.0.sdk100-2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-caba-95ag-9yf8" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/dotnet-runtime@6.0.0.sdk100-2" }, { "url": "http://public2.vulnerablecode.io/api/packages/38117?format=api", "purl": "pkg:nuget/Microsoft.AspNetCore.All@3.1.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9zu6-5d4v-f3ht" }, { "vulnerability": "VCID-aqyy-zs6z-v7ar" }, { "vulnerability": "VCID-caba-95ag-9yf8" }, { "vulnerability": "VCID-fm28-azef-buh6" }, { "vulnerability": "VCID-j761-wgke-97d8" }, { "vulnerability": "VCID-n3cs-wjun-vfhe" }, { "vulnerability": "VCID-nx74-pj4e-4fde" }, { "vulnerability": "VCID-puaf-7ge8-nbhg" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.AspNetCore.All@3.1.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/38119?format=api", "purl": "pkg:nuget/Microsoft.AspNetCore.All@5.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-aqyy-zs6z-v7ar" }, { "vulnerability": "VCID-caba-95ag-9yf8" }, { "vulnerability": "VCID-nx74-pj4e-4fde" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.AspNetCore.All@5.0.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/42332?format=api", "purl": "pkg:nuget/Microsoft.AspNetCore.All@6.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5781-s1ny-q7ey" }, { "vulnerability": "VCID-caba-95ag-9yf8" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.AspNetCore.All@6.0.0" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43877.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43877.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43877", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71556", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71563", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.7158", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71553", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71593", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71604", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71627", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71611", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71637", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71642", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71624", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71674", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71679", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71684", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71669", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71703", "published_at": "2026-05-11T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71735", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.71731", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.00681", "scoring_system": "epss", "scoring_elements": "0.7179", "published_at": "2026-05-14T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43877" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2031201", "reference_id": "2031201", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2031201" }, { "reference_url": "https://security.archlinux.org/AVG-2642", "reference_id": "AVG-2642", "reference_type": "", "scores": [ { "value": "Low", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2642" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43877", "reference_id": "CVE-2021-43877", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43877" }, { "reference_url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877", "reference_id": "CVE-2021-43877", "reference_type": "", "scores": [], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877" } ], "weaknesses": [ { "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." }, { "cwe_id": 20, "name": "Improper Input Validation", "description": "The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly." } ], "exploits": [], "severity_range_score": "0.1 - 7.8", "exploitability": "0.5", "weighted_severity": "7.0", "risk_score": 3.5, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-caba-95ag-9yf8" }