{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2020-27827",
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "dateUpdated": "2025-12-03T18:20:03.875Z",
        "dateReserved": "2020-10-27T00:00:00.000Z",
        "datePublished": "2021-03-18T00:00:00.000Z"
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                "dateUpdated": "2023-11-26T11:06:15.202Z"
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                    "lang": "en",
                    "value": "A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability."
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "lldp/openvswitch",
                    "versions": [
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                            "version": "lldpd 1.0.8, openvswitch 2.14.1, openvswitch 2.13.2, openvswitch 2.12.2, openvswitch 2.11.5, openvswitch 2.10.6, openvswitch 2.9.8, openvswitch 2.8.10, openvswitch 2.7.12, openvswitch 2.6.9",
                            "status": "affected"
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            ],
            "references": [
                {
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921438"
                },
                {
                    "url": "https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html"
                },
                {
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf"
                },
                {
                    "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07"
                },
                {
                    "name": "FEDORA-2023-88991d2713",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/"
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                {
                    "name": "FEDORA-2023-c0c184a019",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/"
                },
                {
                    "name": "FEDORA-2023-3e4feeadec",
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                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/"
                },
                {
                    "name": "GLSA-202311-16",
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                    "url": "https://security.gentoo.org/glsa/202311-16"
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            ],
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                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-400",
                            "cweId": "CWE-400"
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                    "dateUpdated": "2024-08-04T16:25:43.547Z"
                },
                "title": "CVE Program Container",
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                    {
                        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921438",
                        "tags": [
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                        "tags": [
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                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/"
                    },
                    {
                        "name": "FEDORA-2023-c0c184a019",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/"
                    },
                    {
                        "name": "FEDORA-2023-3e4feeadec",
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                            "vendor-advisory",
                            "x_transferred"
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                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/"
                    },
                    {
                        "name": "GLSA-202311-16",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
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                        "url": "https://security.gentoo.org/glsa/202311-16"
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.5,
                            "attackVector": "NETWORK",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-06-04T13:38:48.935265Z",
                                "id": "CVE-2020-27827",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-12-03T18:20:03.875Z"
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}