{"cve":"CVE-2021-41990","nvd":{"published":"2021-10-18T14:15:10.297","modified":"2026-06-17T04:09:07.300","status":"Modified","description":"The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.","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-190"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf","https://github.com/strongswan/strongswan/releases/tag/5.9.4","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/"],"products":["debian:debian_linux","fedoraproject:fedora","siemens:6gk5615-0aa00-2aa2_firmware","siemens:6gk5804-0ap00-2aa2_firmware","siemens:6gk5812-1aa00-2aa2_firmware","siemens:6gk5812-1ba00-2aa2_firmware","siemens:6gk5816-1aa00-2aa2_firmware","siemens:6gk5816-1ba00-2aa2_firmware","siemens:6gk5826-2ab00-2ab2_firmware","siemens:6gk5856-2ea00-3aa1_firmware","siemens:6gk5856-2ea00-3da1_firmware","siemens:6gk5874-2aa00-2aa2_firmware","siemens:6gk5874-3aa00-2aa2_firmware","siemens:6gk5876-3aa02-2ba2_firmware","siemens:6gk5876-3aa02-2ea2_firmware","siemens:6gk5876-4aa00-2ba2_firmware","siemens:6gk5876-4aa00-2da2_firmware","siemens:6gk6108-4am00-2ba2_firmware","siemens:6gk6108-4am00-2da2_firmware","strongswan:strongswan"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-41990","score":0.06915,"percentile":0.94095,"date":"2026-10-31"},"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."]}