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HIGH

CVE-2024-47866

CVSS v3

7.5

HIGH

EPSS Score

0.5 %

exploit probability, as of 2026-10-18

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • cephBitnamiall versions · fixed in 20.2.1

Vendor advisories

  • CVE-2024-47866 Red Hat Product Security436 products fixed · 110 known affected

    rgw: RGW DoS attack with empty HTTP header in S3 object copy

    ceph-base as a component of Red Hat Ceph Storage 4 · ceph-common as a component of Red Hat Ceph Storage 4 · ceph-fuse as a component of Red Hat Ceph Storage 4

  • RHSA-2026:83548 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: Red Hat Ceph Storage

  • RHSA-2026:2769 Red Hat Product Security262 products fixed

    Red Hat Security Advisory: Red Hat Ceph Storage 7.1 security and bug fix updates

  • RHSA-2025:21203 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Red Hat Ceph Storage

  • RHSA-2025:21068 Red Hat Product Security167 products fixed

    Red Hat Security Advisory: Red Hat Ceph Storage 8.1 bug fix update

Full record on NVD

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.

Technical details

Published
2025-11-12

Frequently asked questions

What is CVE-2024-47866?

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.

Is CVE-2024-47866 actively exploited?

Active exploitation of CVE-2024-47866 has not been confirmed. Its EPSS score was 0.5% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-47866?

CVE-2024-47866 has a CVSS v3 base score of 7.5 (HIGH severity).

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