CVE-2025-57789

Vulnerability in Initial Administrator Login Process

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

Commvault · CommCell

CVSS v4.0 CNA

5.3 MEDIUMCVSS: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

CVSS v3.1 NVD

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

1.23% chance of exploitation in the next 30 days, 68th percentile

Nuclei

medium

Published

2025-08-20

Updated

2026-02-26

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-57789.yaml

Security advisories

• https://documentation.commvault.com/securityadvisories/CV_2025_08_4.html

References

• CVE Record
• NVD entry