Vulnerability · Published Aug 20, 2025 · Assigned by mitre
CVE-2025-57789Vulnerability in Initial Administrator Login Process
Medium 5.3
In plain English
A medium-severity security flaw in CommCell from Commvault. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.
Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)1.2%top 31.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Nuclei
Official 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.
Affected products (as reported)
Weakness: CWE-257 · 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