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CVE-2026-108335 – Account Takeover via Password Reset Brute Force – Hitachi Vantara Remote Ops Agent

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Summary

CVE-2026-108335 is a weak password recovery vulnerability (CWE-640) in the Web Interface module of Hitachi Vantara Remote Ops Agent. When the password reset functionality is enabled and email is configured, an unauthenticated attacker could take over any account, including administrative accounts, by brute-forcing the password reset code. The CVE record rates it Critical (9.1).

Technical details

  • Root cause: The password reset code entry has no rate limiting, so an attacker can make unlimited guesses (CWE-640, Weak Password Recovery Mechanism for Forgotten Password; CAPEC-50, Password Recovery Exploitation).
  • Trigger conditions: The password reset functionality must be enabled and email must be configured.
  • Attack vector: Network. No privileges or user interaction are required.
  • Impact: Takeover of any account through brute force, potentially including administrative accounts. The CVSS vector rates confidentiality and integrity impact as high.

Affected software

  • Hitachi Vantara Remote Ops Agent versions 1.6.0 through 2.0 (Web Interface module)

Severity

  • CVSS v4.0 base score 9.1 (Critical): CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  • The CVE record provides a CVSS v4.0 vector. I did not find a CVSS v3.1 vector for this CVE.

Mitigation and recommended actions

  • Immediate: Upgrade Remote Ops Agent to version 2.1 or later, which is the fixed version listed in the CVE record.
  • I could not read the vendor advisory because it returned "Access Denied", so I found no vendor-documented workarounds. Review the advisory directly through the Hitachi Vantara support portal.
  • Until you can patch, consider two precautions. They are general measures and do not come from the vendor. First, restrict network access to the Web Interface to trusted hosts. Second, if your deployment allows it, disable the password reset functionality or email configuration. Both conditions must be present for the issue to be exploitable.

References

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