Ceph up to 17.2.7/18.2.4/19.2.2 privileges management

Summaryinfo

A vulnerability was found in Ceph up to 17.2.7/18.2.4/19.2.2. It has been rated as critical. Impacted is an unknown function. Performing a manipulation results in privileges management. This vulnerability is known as CVE-2025-52555. Access to the local network is required for this attack. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Ceph up to 17.2.7/18.2.4/19.2.2. This affects an unknown function. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality. The summary by CVE is:

Ceph is a distributed object, block, and file storage platform. In versions 17.2.7, 18.2.1 through 18.2.4, and 19.0.0 through 19.2.2, an unprivileged user can escalate to root privileges in a ceph-fuse mounted CephFS by chmod 777 a directory owned by root to gain access. The result of this is that a user could read, write and execute to any directory owned by root as long as they chmod 777 it. This impacts confidentiality, integrity, and availability. It is patched in versions 17.2.8, 18.2.5, and 19.2.3.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-52555 since 06/18/2025. The exploitability is told to be easy. The attack needs to approached within the local network. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 265944 (Debian dla-4310 : ceph - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.2.5 or 19.2.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (265944) and EUVD (EUVD-2025-19240). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• Ceph

Version

• 17.2.0
• 17.2.1
• 17.2.2
• 17.2.3
• 17.2.4
• 17.2.5
• 17.2.6
• 17.2.7
• 18.2.0
• 18.2.1
• 18.2.2
• 18.2.3
• 18.2.4
• 19.2.0
• 19.2.1
• 19.2.2

Website

• Product: https://github.com/ceph/ceph/

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Be aware that VulDB is the high quality source for vulnerability data.

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