{"id":"CVE-2021-3580","state":"PUBLISHED","title":"A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to a","description":"A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service.","publishedAt":"2021-08-05T00:00:00.000Z","updatedAt":"2026-10-14T09:49:47.666Z","severity":null,"assigner":"redhat","products":["n/a nettle"],"affected":[{"vendor":"n/a","product":"nettle","versions":[{"version":"nettle 3.7.3","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1967983","https://lists.debian.org/debian-lts-announce/2021/09/msg00008.html","https://security.netapp.com/advisory/ntap-20211104-0006/","https://security.gentoo.org/glsa/202401-24","https://cert-portal.siemens.com/productcert/html/ssa-398330.html"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T19:48:55.807Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/3xxx/CVE-2021-3580.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-3580","state":"PUBLISHED","datePublished":"2021-08-05T00:00:00.000Z","dateUpdated":"2026-10-14T09:49:47.666Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2021-06-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service."}],"affected":[{"vendor":"n/a","product":"nettle","versions":[{"version":"nettle 3.7.3","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1967983"},{"url":"https://lists.debian.org/debian-lts-announce/2021/09/msg00008.html","name":"[debian-lts-announce] 20210918 [SECURITY] [DLA 2760-1] nettle security update","tags":["mailing-list"]},{"url":"https://security.netapp.com/advisory/ntap-20211104-0006/"},{"url":"https://security.gentoo.org/glsa/202401-24","name":"GLSA-202401-24","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","type":"CWE","lang":"en","description":"CWE-20"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2024-01-16T15:06:19.141Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1967983","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/09/msg00008.html","name":"[debian-lts-announce] 20210918 [SECURITY] [DLA 2760-1] nettle security update","tags":["mailing-list","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20211104-0006/","tags":["x_transferred"]},{"url":"https://security.gentoo.org/glsa/202401-24","name":"GLSA-202401-24","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:01:06.534Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-11-19T14:22:19.550074Z","id":"CVE-2021-3580","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-11-19T14:24:23.265Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-14T09:49:47.666Z"},"x_adpType":"supplier"}]}}}