{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-33560", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-12-03T14:39:10.763Z", "dateReserved": "2021-05-24T00:00:00.000Z", "datePublished": "2021-06-08T00:00:00.000Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2022-10-31T00:00:00.000Z" }, "descriptions": [ { "lang": "en", "value": "Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP." } ], "affected": [ { "vendor": "n/a", "product": "n/a", "versions": [ { "version": "n/a", "status": "affected" } ] } ], "references": [ { "url": "https://dev.gnupg.org/T5328" }, { "name": "[debian-lts-announce] 20210624 [SECURITY] [DLA 2691-1] libgcrypt20 security update", "tags": [ "mailing-list" ], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00021.html" }, { "name": "FEDORA-2021-24d4e06195", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7OAPCUGPF3VLA7QAJUQSL255D4ITVTL/" }, { "name": "FEDORA-2021-31fdc84207", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BKKTOIGFW2SGN3DO2UHHVZ7MJSYN4AAB/" }, { "url": "https://www.oracle.com/security-alerts/cpuoct2021.html" }, { "url": "https://dev.gnupg.org/T5466" }, { "url": "https://dev.gnupg.org/T5305" }, { "url": "https://dev.gnupg.org/rCe8b7f10be275bcedb5fc05ed4837a89bfd605c61" }, { "url": "https://www.oracle.com/security-alerts/cpujan2022.html" }, { "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "url": "https://www.oracle.com/security-alerts/cpujul2022.html" }, { "name": "GLSA-202210-13", "tags": [ "vendor-advisory" ], "url": "https://security.gentoo.org/glsa/202210-13" } ], "problemTypes": [ { "descriptions": [ { "type": "text", "lang": "en", "description": "n/a" } ] } ] }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:50:43.035Z" }, "title": "CVE Program Container", "references": [ { "url": "https://dev.gnupg.org/T5328", "tags": [ "x_transferred" ] }, { "name": "[debian-lts-announce] 20210624 [SECURITY] [DLA 2691-1] libgcrypt20 security update", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00021.html" }, { "name": "FEDORA-2021-24d4e06195", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7OAPCUGPF3VLA7QAJUQSL255D4ITVTL/" }, { "name": "FEDORA-2021-31fdc84207", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BKKTOIGFW2SGN3DO2UHHVZ7MJSYN4AAB/" }, { "url": "https://www.oracle.com/security-alerts/cpuoct2021.html", "tags": [ "x_transferred" ] }, { "url": "https://dev.gnupg.org/T5466", "tags": [ "x_transferred" ] }, { "url": "https://dev.gnupg.org/T5305", "tags": [ "x_transferred" ] }, { "url": "https://dev.gnupg.org/rCe8b7f10be275bcedb5fc05ed4837a89bfd605c61", "tags": [ "x_transferred" ] }, { "url": "https://www.oracle.com/security-alerts/cpujan2022.html", "tags": [ "x_transferred" ] }, { "url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "tags": [ "x_transferred" ] }, { "url": "https://www.oracle.com/security-alerts/cpujul2022.html", "tags": [ "x_transferred" ] }, { "name": "GLSA-202210-13", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://security.gentoo.org/glsa/202210-13" } ] }, { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-325", "lang": "en", "description": "CWE-325 Missing Cryptographic Step" } ] } ], "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:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-12-03T14:39:05.498424Z", "id": "CVE-2021-33560", "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": "2025-12-03T14:39:10.763Z" } } ] } }