Medium severity · published Aug 20, 2025
CVE-2025-57789
During the brief window between installation and the first administrator login, remote attackers may exploit the default credential to gain admin control
5.4
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Commvault · Commvault
before 11.36.60 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-57789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-57789
Vendor Advisory
https://documentation.commvault.com/securityadvisories/CV_2025_08_4.html
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