Vulnerability DatabaseCVE-2023-2978

CVE-2023-2978:
vulnerability analysis and mitigation

Overview

A vulnerability was discovered in Abstrium Pydio Cells 4.2.0, identified as CVE-2023-2978. The issue affects the Change Subscription Handler component and leads to authorization bypass. The vulnerability was discovered on May 10, 2023, reported and acknowledged on May 11, 2023, and was patched with the release of version 4.2.1 on May 22, 2023 (Medium Blog, Pydio Release).

Technical details

The vulnerability has been rated as problematic with a CVSS v3.1 Base Score of 4.3 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. The vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key) (NVD).

Impact

When exploited, this vulnerability allows unauthorized update, insert or delete access to some of the accessible data within the Pydio Cells system. The vulnerability specifically affects the Change Subscription Handler component (NVD).

Mitigation and workarounds

The vulnerability has been fixed in Pydio Cells version 4.2.1. Users are strongly recommended to upgrade to this version to address the security issue. The upgrade can be performed using the in-app tool (Pydio Release).

Community reactions

The vulnerability was discovered and reported by DeepCove Cybersecurity (DCC) as part of their security assessment services. The vendor, Pydio, responded promptly by acknowledging the issue and releasing a patch within two weeks of the initial report (Medium Blog).