{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-28116",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "http://www.squid-cache.org/Versions/",
                "refsource": "MISC",
                "name": "http://www.squid-cache.org/Versions/"
            },
            {
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-157/",
                "refsource": "MISC",
                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-157/"
            },
            {
                "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82",
                "refsource": "MISC",
                "name": "https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202105-14",
                "url": "https://security.gentoo.org/glsa/202105-14"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-c0bec55ec7",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-24af72ff2c",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20211004 CVE-2021-28116 / ZDI-CAN-11610 / SQUID-2020:12 Out-Of-Bounds memory access in WCCPv2",
                "url": "http://www.openwall.com/lists/oss-security/2021/10/04/1"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-5171",
                "url": "https://www.debian.org/security/2022/dsa-5171"
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N",
            "version": "3.1"
        }
    }
}