GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/87156?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/87156?format=api",
    "vulnerability_id": "VCID-a6av-y6tr-tqcn",
    "summary": "mod_cluster: malicious worker nodes can register on any vhost",
    "aliases": [
        {
            "alias": "CVE-2011-4608"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/126229?format=api",
            "purl": "pkg:rpm/redhat/mod_cluster@1.0.10-3.GA_CP02.ep5?arch=el4",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-a6av-y6tr-tqcn"
                },
                {
                    "vulnerability": "VCID-gm75-7u37-qbge"
                },
                {
                    "vulnerability": "VCID-tuug-gpqe-ybh8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/mod_cluster@1.0.10-3.GA_CP02.ep5%3Farch=el4"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/126233?format=api",
            "purl": "pkg:rpm/redhat/mod_cluster@1.0.10-3.1.GA_CP02.ep5?arch=el5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-a6av-y6tr-tqcn"
                },
                {
                    "vulnerability": "VCID-gm75-7u37-qbge"
                },
                {
                    "vulnerability": "VCID-tuug-gpqe-ybh8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/mod_cluster@1.0.10-3.1.GA_CP02.ep5%3Farch=el5"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/126231?format=api",
            "purl": "pkg:rpm/redhat/mod_cluster@1.0.10-3.2.GA_CP02.ep5?arch=el6",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-a6av-y6tr-tqcn"
                },
                {
                    "vulnerability": "VCID-gm75-7u37-qbge"
                },
                {
                    "vulnerability": "VCID-tuug-gpqe-ybh8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/mod_cluster@1.0.10-3.2.GA_CP02.ep5%3Farch=el6"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/126232?format=api",
            "purl": "pkg:rpm/redhat/mod_cluster-native@1.0.10-4.GA_CP02.ep5?arch=el4",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-a6av-y6tr-tqcn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/mod_cluster-native@1.0.10-4.GA_CP02.ep5%3Farch=el4"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/126228?format=api",
            "purl": "pkg:rpm/redhat/mod_cluster-native@1.0.10-4.1.GA_CP02.ep5?arch=el5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-a6av-y6tr-tqcn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/mod_cluster-native@1.0.10-4.1.GA_CP02.ep5%3Farch=el5"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/126230?format=api",
            "purl": "pkg:rpm/redhat/mod_cluster-native@1.0.10-4.1.1.GA_CP02.ep5?arch=el6",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-a6av-y6tr-tqcn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/mod_cluster-native@1.0.10-4.1.1.GA_CP02.ep5%3Farch=el6"
        }
    ],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-4608.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-4608.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2011-4608",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.72904",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.72915",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.72936",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.72911",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.72948",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.72962",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.72987",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.72967",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.72961",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.73002",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.73012",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.73005",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.73045",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.73055",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00742",
                    "scoring_system": "epss",
                    "scoring_elements": "0.73053",
                    "published_at": "2026-04-29T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-4608"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=767020",
            "reference_id": "767020",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=767020"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2012:0035",
            "reference_id": "RHSA-2012:0035",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2012:0035"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2012:0036",
            "reference_id": "RHSA-2012:0036",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2012:0036"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2012:0037",
            "reference_id": "RHSA-2012:0037",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2012:0037"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2012:0038",
            "reference_id": "RHSA-2012:0038",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2012:0038"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2012:0039",
            "reference_id": "RHSA-2012:0039",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2012:0039"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2012:0040",
            "reference_id": "RHSA-2012:0040",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2012:0040"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 863,
            "name": "Incorrect Authorization",
            "description": "The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions."
        }
    ],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": "0.5",
    "weighted_severity": "0.0",
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-a6av-y6tr-tqcn"
}