{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"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-2021-40797","title":"Title"},{"category":"description","text":"An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.","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-2021-40797","url":"https://www.suse.com/security/cve/CVE-2021-40797"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1190339 for CVE-2021-40797","url":"https://bugzilla.suse.com/1190339"},{"category":"external","summary":"Advisory link for SUSE-SU-2022:1884-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2022-May/011199.html"}],"title":"SUSE CVE CVE-2021-40797","tracking":{"current_release_date":"2025-04-25T04:31:00Z","generator":{"date":"2023-02-15T03:37:51Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2021-40797","initial_release_date":"2023-02-15T03:37:51Z","revision_history":[{"date":"2023-02-15T03:37:51Z","number":"2","summary":"Current version"},{"date":"2025-01-01T04:12:45Z","number":"3","summary":"Current version"},{"date":"2025-02-15T04:47:31Z","number":"4","summary":"Current version"},{"date":"2025-02-17T05:10:04Z","number":"5","summary":"Current version"},{"date":"2025-03-15T08:41:10Z","number":"6","summary":"Current version"},{"date":"2025-04-25T04:31:00Z","number":"7","summary":"Current version"}],"status":"interim","version":"7"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"HPE Helion OpenStack 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