{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2020-36421",
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "dateUpdated": "2025-12-03T16:11:10.708Z",
        "dateReserved": "2021-07-19T00:00:00.000Z",
        "datePublished": "2021-07-19T00:00:00.000Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
                "shortName": "mitre",
                "dateUpdated": "2022-12-26T00:00:00.000Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed."
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "n/a",
                    "versions": [
                        {
                            "version": "n/a",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7"
                },
                {
                    "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0"
                },
                {
                    "url": "https://github.com/ARMmbed/mbedtls/issues/3394"
                },
                {
                    "url": "https://bugs.gentoo.org/730752"
                },
                {
                    "name": "[debian-lts-announce] 20221225 [SECURITY] [DLA 3249-1] mbedtls security update",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "n/a"
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                    ]
                }
            ]
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        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T17:30:06.804Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/ARMmbed/mbedtls/issues/3394",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://bugs.gentoo.org/730752",
                        "tags": [
                            "x_transferred"
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                    },
                    {
                        "name": "[debian-lts-announce] 20221225 [SECURITY] [DLA 3249-1] mbedtls security update",
                        "tags": [
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                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"
                    }
                ]
            },
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-203",
                                "lang": "en",
                                "description": "CWE-203 Observable Discrepancy"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.3,
                            "attackVector": "NETWORK",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "LOW"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-12-03T16:11:06.086031Z",
                                "id": "CVE-2020-36421",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-12-03T16:11:10.708Z"
                }
            }
        ]
    }
}