Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/52701?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/52701?format=api",
    "vulnerability_id": "VCID-wstq-zu4y-nfg3",
    "summary": "Deserialization of Untrusted Data\nSerialized-object interfaces in certain Cisco Collaboration and Social Media; Endpoint Clients and Client Software; Network Application, Service, and Acceleration; Network and Content Security Devices; Network Management and Provisioning; Routing and Switching - Enterprise and Service Provider; Unified Computing; Voice and Unified Communications Devices; Video, Streaming, TelePresence, and Transcoding Devices; Wireless; and Cisco Hosted Services products allow remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections (ACC) library.",
    "aliases": [
        {
            "alias": "CVE-2015-6420"
        },
        {
            "alias": "GHSA-6hgm-866r-3cjv"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/54634?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@3.2.2",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@3.2.2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/54636?format=api",
            "purl": "pkg:maven/org.apache.commons/commons-collections4@4.1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.commons/commons-collections4@4.1"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/258639?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@1.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@1.0"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/258640?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@2.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@2.0"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/258641?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@2.0.20020914.015953",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@2.0.20020914.015953"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/258642?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@2.0.20020914.020746",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@2.0.20020914.020746"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/258643?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@2.0.20020914.020858",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@2.0.20020914.020858"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/258644?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@2.1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@2.1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/258645?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@2.1.1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@2.1.1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/213914?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@3.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@3.0"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/213915?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@3.0-dev2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@3.0-dev2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/213916?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@3.1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@3.1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/213917?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@3.2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@3.2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/54633?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@3.2.1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@3.2.1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/502956?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@20030418.083655",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@20030418.083655"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/516282?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@20031027.000000",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@20031027.000000"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/516283?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@20040102.233541",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@20040102.233541"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/502957?format=api",
            "purl": "pkg:maven/commons-collections/commons-collections@20040616",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/commons-collections/commons-collections@20040616"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/62785?format=api",
            "purl": "pkg:maven/net.sourceforge.collections/collections-generic@4.0.1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/net.sourceforge.collections/collections-generic@4.0.1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/54635?format=api",
            "purl": "pkg:maven/org.apache.commons/commons-collections4@4.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.commons/commons-collections4@4.0"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/62240?format=api",
            "purl": "pkg:maven/org.apache.servicemix.bundles/org.apache.servicemix.bundles.collections-generic@4.01",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.servicemix.bundles/org.apache.servicemix.bundles.collections-generic@4.01"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/62825?format=api",
            "purl": "pkg:maven/org.apache.servicemix.bundles/org.apache.servicemix.bundles.commons-collections@3.2.1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-d35k-bj2z-ayg9"
                },
                {
                    "vulnerability": "VCID-wstq-zu4y-nfg3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.servicemix.bundles/org.apache.servicemix.bundles.commons-collections@3.2.1"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2015-6420",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.212",
                    "scoring_system": "epss",
                    "scoring_elements": "0.95784",
                    "published_at": "2026-06-06T12:55:00Z"
                },
                {
                    "value": "0.212",
                    "scoring_system": "epss",
                    "scoring_elements": "0.95785",
                    "published_at": "2026-06-08T12:55:00Z"
                },
                {
                    "value": "0.212",
                    "scoring_system": "epss",
                    "scoring_elements": "0.95775",
                    "published_at": "2026-06-04T12:55:00Z"
                },
                {
                    "value": "0.212",
                    "scoring_system": "epss",
                    "scoring_elements": "0.95781",
                    "published_at": "2026-06-05T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2015-6420"
        },
        {
            "reference_url": "https://arxiv.org/pdf/2306.05534",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://arxiv.org/pdf/2306.05534"
        },
        {
            "reference_url": "https://github.com/apache/commons-collections",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/apache/commons-collections"
        },
        {
            "reference_url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917"
        },
        {
            "reference_url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722"
        },
        {
            "reference_url": "https://lists.apache.org/thread.html/r352e40ca9874d1beb4ad95403792adca7eb295e6bc3bd7b65fabcc21@%3Ccommits.samza.apache.org%3E",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://lists.apache.org/thread.html/r352e40ca9874d1beb4ad95403792adca7eb295e6bc3bd7b65fabcc21@%3Ccommits.samza.apache.org%3E"
        },
        {
            "reference_url": "https://www.kb.cert.org/vuls/id/581311",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://www.kb.cert.org/vuls/id/581311"
        },
        {
            "reference_url": "https://www.tenable.com/security/research/tra-2017-14",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://www.tenable.com/security/research/tra-2017-14"
        },
        {
            "reference_url": "https://www.tenable.com/security/research/tra-2017-23",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://www.tenable.com/security/research/tra-2017-23"
        },
        {
            "reference_url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-java-deserialization",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-java-deserialization"
        },
        {
            "reference_url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
        },
        {
            "reference_url": "http://www.securityfocus.com/bid/78872",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "http://www.securityfocus.com/bid/78872"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2015-6420",
            "reference_id": "CVE-2015-6420",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-6420"
        },
        {
            "reference_url": "https://github.com/advisories/GHSA-6hgm-866r-3cjv",
            "reference_id": "GHSA-6hgm-866r-3cjv",
            "reference_type": "",
            "scores": [
                {
                    "value": "HIGH",
                    "scoring_system": "cvssv3.1_qr",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/advisories/GHSA-6hgm-866r-3cjv"
        }
    ],
    "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": 502,
            "name": "Deserialization of Untrusted Data",
            "description": "The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid."
        },
        {
            "cwe_id": 78,
            "name": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
            "description": "The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component."
        },
        {
            "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": "7.0 - 8.9",
    "exploitability": "0.5",
    "weighted_severity": "8.0",
    "risk_score": 4.0,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-wstq-zu4y-nfg3"
}