Vulnerability · Published Jul 30, 2025 · Assigned by GitHub_M

CVE-2024-48916Ceph is vulnerable to authentication bypass through RadosGW

High 8.1

In plain English

A high-severity insufficient verification of data authenticity in ceph from ceph. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.2%top 87.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Ceph is a distributed object, block, and file storage platform. In versions 19.2.3 and below, it is possible to send an JWT that has "none" as JWT alg. And by doing so the JWT signature is not checked. The vulnerability is most likely in the RadosGW OIDC provider. As of time of publication, a known patched version has yet to be published.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12ceph16.2.15+ds-0+deb12u1DSA-5825-1
Debian:12ceph16.2.15+ds-0+deb12u1DEBIAN-CVE-2024-48916
Debian:13ceph18.2.4+ds-11DEBIAN-CVE-2024-48916
Debian:14ceph18.2.4+ds-11DEBIAN-CVE-2024-48916
Ubuntu:22.04:LTSceph17.2.7-0ubuntu0.22.04.2USN-7182-1
Ubuntu:22.04:LTSceph17.2.7-0ubuntu0.22.04.2UBUNTU-CVE-2024-48916
Ubuntu:24.04:LTSceph19.2.0-0ubuntu0.24.04.2UBUNTU-CVE-2024-48916
Ubuntu:24.04:LTSceph19.2.0-0ubuntu0.24.04.2USN-7182-1

Affected products (as reported)

VendorProductVersions
ceph ceph <= 19.2.3

Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References