{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"critical"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2025-64103","title":"Title"},{"category":"description","text":"Starting from 2.53.6, 2.54.3, and 2.55.0, Zitadel only required multi factor authentication in case the login policy has either enabled requireMFA or requireMFAForLocalUsers. If a user has set up MFA without this requirement, Zitadel would consider single factor auhtenticated sessions as valid as well and not require multiple factors. Bypassing second authentication factors weakens multifactor authentication and enables attackers to bypass the more secure factor. An attacker can target the TOTP code alone, only six digits, bypassing password verification entirely and potentially compromising accounts with 2FA enabled. This vulnerability is fixed in 4.6.0, 3.4.3, and 2.71.18.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2025-64103","url":"https://www.suse.com/security/cve/CVE-2025-64103"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"}],"title":"SUSE CVE CVE-2025-64103","tracking":{"current_release_date":"2025-11-09T00:23:10Z","generator":{"date":"2025-11-09T00:23:10Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2025-64103","initial_release_date":"2025-11-09T00:23:10Z","revision_history":[{"date":"2025-11-09T00:23:10Z","number":"2","summary":"Current version"}],"status":"interim","version":"2"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"openSUSE Tumbleweed","product":{"name":"openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed","product_identification_helper":{"cpe":"cpe:/o:opensuse:tumbleweed"}}},{"category":"product_version","name":"govulncheck-vulndb-0.0.20251105T184115-1.1","product":{"name":"govulncheck-vulndb-0.0.20251105T184115-1.1","product_id":"govulncheck-vulndb-0.0.20251105T184115-1.1","product_identification_helper":{"purl":"pkg:rpm/suse/govulncheck-vulndb@0.0.20251105T184115-1.1?upstream=govulncheck-vulndb-0.0.20251105T184115-1.1.src.rpm"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"govulncheck-vulndb-0.0.20251105T184115-1.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:govulncheck-vulndb-0.0.20251105T184115-1.1"},"product_reference":"govulncheck-vulndb-0.0.20251105T184115-1.1","relates_to_product_reference":"openSUSE Tumbleweed"}]},"vulnerabilities":[{"cve":"CVE-2025-64103","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-64103"}],"notes":[{"category":"general","text":"Starting from 2.53.6, 2.54.3, and 2.55.0, Zitadel only required multi factor authentication in case the login policy has either enabled requireMFA or requireMFAForLocalUsers. If a user has set up MFA without this requirement, Zitadel would consider single factor auhtenticated sessions as valid as well and not require multiple factors. Bypassing second authentication factors weakens multifactor authentication and enables attackers to bypass the more secure factor. An attacker can target the TOTP code alone, only six digits, bypassing password verification entirely and potentially compromising accounts with 2FA enabled. This vulnerability is fixed in 4.6.0, 3.4.3, and 2.71.18.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Tumbleweed:govulncheck-vulndb-0.0.20251105T184115-1.1"]},"references":[{"category":"external","summary":"CVE-2025-64103","url":"https://www.suse.com/security/cve/CVE-2025-64103"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["openSUSE Tumbleweed:govulncheck-vulndb-0.0.20251105T184115-1.1"]}],"scores":[{"cvss_v3":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["openSUSE Tumbleweed:govulncheck-vulndb-0.0.20251105T184115-1.1"]}],"threats":[{"category":"impact","date":"2025-10-29T21:02:40Z","details":"critical"}],"title":"CVE-2025-64103"}]}