# CVE-2024-47866: CVE-2024-47866

Status: published. Published: 2025-11-12. Updated: 2026-11-08.

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 remediation reported in collected sources

## Affected products and versions

- redhat / ceph: ≤ 19.2.3 (affected, custom). Source: NVD

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*",
            "versionEndIncluding": "19.2.3",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: NVD: security-advisories@github.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation poc; automatable no; technical impact partial; source NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- Weaknesses: CWE-20

## Exploit evidence

- exploit: https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8 (security-advisories@github.com)
- exploit: https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8 (134c704f-9b21-4f2e-91b3-4a467353bcc0)

## References

- https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8 (security-advisories@github.com; Exploit, Vendor Advisory)

- http://www.openwall.com/lists/oss-security/2025/11/11/3 (af854a3a-2127-422b-91ae-364da2661108; Mailing List)

- https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8 (134c704f-9b21-4f2e-91b3-4a467353bcc0; Exploit, Vendor Advisory)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-47866; retrieved 2026-11-09; source updated 2026-11-08

Revision: 3e3674812c855781ca05a52e9aa29f1f7bdca460ede8063da2b792cfe6d02bff

Canonical: https://y2.dev/cve/CVE-2024-47866

## Agent and API access

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- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

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