CVE-2024-47866

RGW DoS attack with empty HTTP header in S3 object copy

Published Nov 12, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Ceph is a distributed object, block, and file storage platform. In versions up to and including 19.2.3, using the argument `x-amz-copy-source` to put an object and specifying an empty string as its content leads to the RGW daemon crashing, resulting in a DoS attack. As of time of publication, no known patched versions exist.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4460-1 ceph security update
Debian DSA Debian DSA DSA-6321-1 ceph security update
Ubuntu USN Ubuntu USN USN-8045-1 Ceph vulnerabilities
History
Type Values Removed Values Added
First Time appeared Redhat ceph
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*
Vendors & Products Redhat ceph
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A flaw was found in Ceph RGW. Using the x-amz-copy-source header to upload an empty object will cause Ceph RGW to crash, leading to availability issues. Ceph is a distributed object, block, and file storage platform. In versions up to and including 19.2.3, using the argument `x-amz-copy-source` to put an object and specifying an empty string as its content leads to the RGW daemon crashing, resulting in a DoS attack. As of time of publication, no known patched versions exist.
Title rgw: RGW DoS attack with empty HTTP header in S3 object copy RGW DoS attack with empty HTTP header in S3 object copy
Type Values Removed Values Added
Description A flaw was found in Ceph RGW. Using the x-amz-copy-source header to upload an empty object will cause Ceph RGW to crash, leading to availability issues.
Title rgw: RGW DoS attack with empty HTTP header in S3 object copy
First Time appeared Redhat
Redhat ceph Storage
Weaknesses CWE-20
CPEs cpe:/a:redhat:ceph_storage:8.1::el9
Vendors & Products Redhat
Redhat ceph Storage
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Important

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Dec 11, 2025, 3:35 PM
Reserved
Oct 4, 2024, 4:00 PM
Status
Analyzed
Published
Nov 12, 2025, 7:15 PM
Modified
Nov 8, 2026, 8:10 PM
Severity
Important
Public date
Nov 12, 2025, 12:00 AM