GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/87401?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/87401?format=api",
    "vulnerability_id": "VCID-kme1-gr1m-zfh8",
    "summary": "tigervnc: vncviewer can send password to server without proper validation of the X.509 certificate",
    "aliases": [
        {
            "alias": "CVE-2011-1775"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/941151?format=api",
            "purl": "pkg:deb/debian/tigervnc@0?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tigervnc@0%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/941152?format=api",
            "purl": "pkg:deb/debian/tigervnc@1.11.0%2Bdfsg-2%2Bdeb11u1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tigervnc@1.11.0%252Bdfsg-2%252Bdeb11u1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/941150?format=api",
            "purl": "pkg:deb/debian/tigervnc@1.12.0%2Bdfsg-8?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tigervnc@1.12.0%252Bdfsg-8%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/941153?format=api",
            "purl": "pkg:deb/debian/tigervnc@1.15.0%2Bdfsg-2?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tigervnc@1.15.0%252Bdfsg-2%3Fdistro=trixie"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127213?format=api",
            "purl": "pkg:rpm/redhat/tigervnc@1.0.90-0.15.20110314svn4359.el6_1?arch=1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-kme1-gr1m-zfh8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/tigervnc@1.0.90-0.15.20110314svn4359.el6_1%3Farch=1"
        }
    ],
    "references": [
        {
            "reference_url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060567.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060567.html"
        },
        {
            "reference_url": "http://openwall.com/lists/oss-security/2011/05/06/2",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://openwall.com/lists/oss-security/2011/05/06/2"
        },
        {
            "reference_url": "http://openwall.com/lists/oss-security/2011/05/09/7",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://openwall.com/lists/oss-security/2011/05/09/7"
        },
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1775.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1775.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2011-1775",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.65027",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64853",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64903",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64931",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64894",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64943",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64958",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64976",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64966",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64938",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64974",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64986",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.6497",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64989",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.65002",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.64998",
                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.00477",
                    "scoring_system": "epss",
                    "scoring_elements": "0.6498",
                    "published_at": "2026-05-05T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-1775"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=702672",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=702672"
        },
        {
            "reference_url": "http://secunia.com/advisories/44939",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://secunia.com/advisories/44939"
        },
        {
            "reference_url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01342.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01342.html"
        },
        {
            "reference_url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01345.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01345.html"
        },
        {
            "reference_url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01347.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01347.html"
        },
        {
            "reference_url": "http://www.redhat.com/support/errata/RHSA-2011-0871.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.redhat.com/support/errata/RHSA-2011-0871.html"
        },
        {
            "reference_url": "http://www.securityfocus.com/bid/47738",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.securityfocus.com/bid/47738"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=702470",
            "reference_id": "702470",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=702470"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:tigervnc:tigervnc:1.1:beta1:*:*:*:*:*:*",
            "reference_id": "cpe:2.3:a:tigervnc:tigervnc:1.1:beta1:*:*:*:*:*:*",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:tigervnc:tigervnc:1.1:beta1:*:*:*:*:*:*"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1775",
            "reference_id": "CVE-2011-1775",
            "reference_type": "",
            "scores": [
                {
                    "value": "5.8",
                    "scoring_system": "cvssv2",
                    "scoring_elements": "AV:N/AC:M/Au:N/C:P/I:P/A:N"
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1775"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2011:0871",
            "reference_id": "RHSA-2011:0871",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2011:0871"
        }
    ],
    "weaknesses": [
        {
            "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": "5.8 - 5.8",
    "exploitability": "0.5",
    "weighted_severity": "5.2",
    "risk_score": 2.6,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-kme1-gr1m-zfh8"
}