{"cve":"CVE-2021-3580","nvd":{"published":"2021-08-05T21:15:12.853","modified":"2026-10-14T10:17:45.713","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1967983","https://lists.debian.org/debian-lts-announce/2021/09/msg00008.html","https://security.gentoo.org/glsa/202401-24","https://security.netapp.com/advisory/ntap-20211104-0006/","https://bugzilla.redhat.com/show_bug.cgi?id=1967983"],"products":["debian:debian_linux","netapp:ontap_select_deploy_administration_utility","nettle_project:nettle","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-3580","score":0.02708,"percentile":0.85864,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}