CVE-2025-57789

MEDIUM
2025-08-20 050066fd-a2f9-4f32-ab5d-4c53f48bc333
5.3
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:07 vuln.today
CVE Published
Aug 20, 2025 - 04:16 nvd
MEDIUM 5.3

Tags

Information Disclosure Commvault

Description

During the brief window between installation and the first administrator login, remote attackers may exploit the default credential to gain admin control. This is limited to the setup phase, before any jobs have been configured.

Analysis

During the brief window between installation and the first administrator login, remote attackers may exploit the default credential to gain admin control. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified under CWE-257. During the brief window between installation and the first administrator login, remote attackers may exploit the default credential to gain admin control. This is limited to the setup phase, before any jobs have been configured. Affected products include: Commvault.

Affected Products

Commvault.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: +7.4
CVSS: +26
POC: 0

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CVE-2025-57789 vulnerability details – vuln.today
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