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CVE-2024-47866

25
FAUCET Score

CVE-2024-47866 describes a Denial of Service (DoS) vulnerability in Red Hat Ceph versions up to and including 19.2.3. An unauthenticated attacker can crash the RGW daemon by using the x-amz-copy-source argument with an empty string content when putting an object. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 19.2.3CPE matchmatch criteria
cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
36.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 15th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (19)

microsoftpatch availablevia msrc
Product: 20564-17084Fixed in: 18.2.2-12
microsoftpatch availablevia msrc
Product: cbl2 ceph 16.2.10-10 on CBL Mariner 2.0Fixed in: 16.2.10-11
microsoftpatch availablevia msrc
Product: cbl2 ceph 16.2.10-11 on CBL Mariner 2.0Fixed in: 16.2.10-11
microsoftpatch availablevia msrc
Product: azl3 ceph 18.2.2-11 on Azure Linux 3.0Fixed in: 18.2.2-12
microsoftpatch availablevia msrc
Product: 20664-17086Fixed in: 16.2.10-11
microsoftpatch availablevia msrc
Product: 20704-17086Fixed in: 16.2.10-11
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 8.1Fixed in: ceph-2:19.2.1-292.el9cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 7.1Fixed in: ceph-2:18.2.1-381.el9cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 8Fixed in: rhceph/rhceph-8-rhel9:sha256:5a97e827c48732775a76e2fe25860488e773f4d8da0e0fbc51168fe30a5deb4b
View patch
ubuntupatch availablevia ubuntu_usn
Product: ceph (focal)Fixed in: 15.2.17-0ubuntu0.20.04.6+esm1
ubuntupatch availablevia ubuntu_usn
Product: ceph (bionic)Fixed in: 12.2.13-0ubuntu0.18.04.11+esm2
ubuntupatch availablevia ubuntu_usn
Product: ceph (noble)Fixed in: 19.2.3-0ubuntu0.24.04.3
ubuntupatch availablevia ubuntu_usn
Product: ceph (jammy)Fixed in: 17.2.9-0ubuntu0.22.04.2
ubuntupatch availablevia ubuntu_usn
Product: ceph (xenial)Fixed in: 10.2.11-0ubuntu0.16.04.3+esm3
ubuntupatch availablevia ubuntu_usn
Product: ceph (trusty)Fixed in: 0.80.11-0ubuntu1.14.04.4+esm4
ubuntupatch availablevia ubuntu_usn
Product: ceph (questing)Fixed in: 19.2.3-0ubuntu1.25.10.3
github_advisoryvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Ceph Storage 9Fixed in: rgw
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 6Fixed in: ceph

Vendor Advisories (3)

ubuntuUSN-8045-1

Ceph vulnerabilities

Feb 24, 2026
redhatCVE-2024-47866Important

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

Nov 12, 2025
microsoft2025-Nov/CVE-2024-47866Important

RGW DoS attack with empty HTTP header in S3 object copy

Nov 11, 2025

References

openwall.com / lists/oss-security/2025/11/11/3
Mailing List
github.com / ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8
ExploitVendor Advisory