🛡️ CVE-2024-47866 — ceph

🟠 CVSS 8.0 — High ⚠️ Exploit Public CWE-20 OSV

8.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

RGW DoS attack with empty HTTP header in S3 object copy

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2024-47866 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2024-47866 is recorded against 1 package.

ceph

Timeline and source

Published on 20 March 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from OSV.

References

www.openwall.com (Web)
github.com (Web)
nvd.nist.gov (Web)

CVE-2024-47866 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian Ubuntu

Details

Severity HIGH

CVSS Score 8.0

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE CWE-20

Public Exploit ⚠️ Yes

Source OSV

Published 2026-03-20

Updated 2026-08-12

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
ceph	—	—

References

WEB http://www.openwall.com/lists/oss-security/2025/11/11/3

WEB https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8

WEB https://nvd.nist.gov/vuln/detail/CVE-2024-47866

🔗 NVD 🔗 Mitre

Similar Threats

Unknown AZL-65996
Unknown AZL-64386
Unknown AZL-64404
Unknown AZL-60883
Unknown AZL-57501

Exploit Protection

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CVE-2024-47866 carries CVSS 8.0 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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