{"id":"CVE-2024-40767","aliases":["GHSA-rm86-h44c-2r2m","PYSEC-2026-1709"],"title":"OpenStack Nova vulnerable to unauthorized access to potentially sensitive data ","summary":"OpenStack Nova vulnerable to unauthorized access to potentially sensitive data ","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","vendor":"nova","product":"nova","ecosystem":"pip","affected":["nova <= 27.4.0","nova >= 28.0.0, <= 28.2.0","nova >= 29.0.0, <= 29.1.0"],"published":"2024-07-24","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-rm86-h44c-2r2m","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40767"},{"url":"https://github.com/openstack/nova"},{"url":"https://launchpad.net/bugs/2071734"},{"url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00017.html"},{"url":"https://review.opendev.org/c/openstack/nova/+/924731"},{"url":"https://security.openstack.org"},{"url":"https://security.openstack.org/ossa/OSSA-2024-002.html"},{"url":"https://www.openwall.com/lists/oss-security/2024/07/23/2"}],"tags":["osv","pip"],"epss":0.00941,"epssPercentile":0.59463,"ingestedAt":"2026-07-08T18:25:52.968Z","slug":"CVE-2024-40767","body":"## Overview\n\nIn OpenStack Nova before 27.4.1, 28 before 28.2.1, and 29 before 29.1.1, by supplying a raw format image that is actually a crafted QCOW2 image with a backing file path or VMDK flat image with a descriptor file path, an authenticated user may convince systems to return a copy of the referenced file's contents from the server, resulting in unauthorized access to potentially sensitive data. All Nova deployments are affected. NOTE: this issue exists because of an incomplete fix for CVE-2022-47951 and CVE-2024-32498.\n\n## Affected packages\n\n- `nova <= 27.4.0`\n- `nova >= 28.0.0, <= 28.2.0`\n- `nova >= 29.0.0, <= 29.1.0`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}