CVE-2024-40767
mediumpriority · track · 26EPSS 0.009 · 61 %ileDEEUUSEPSS · scored 2026-10-27
In 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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-1786Red Hat OpenStack: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2024-08-07csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in Red Hat OpenStack ausnutzen, um Informationen offenzulegen.
- GHSA-rm86-h44c-2r2mOpenStack Nova vulnerable to unauthorized access to potentially sensitive data 2024-07-24ghsa · osvUS
In 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.
- PYSEC-2026-1709OpenStack Nova vulnerable to unauthorized access to potentially sensitive data 2026-07-07vendor · osvUS
In 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.
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (16)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2024-40767cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-40767/cnnvd
- https://launchpad.net/bugs/2071734cnnvd
- https://security.openstack.orgcnnvd
- https://vigilance.fr/vulnerability/OpenStack-Nova-privilege-escalation-via-QCOW2-Backing-Files-VMDK-Flat-Descriptors-44796cnnvd
- https://www.openstack.org/Patchcnnvd
- https://www.openwall.com/lists/oss-security/2024/07/23/2cnnvd
- https://launchpad.net/bugs/2071734enisa_euvd
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