CVE-2025-46603Network attack vector

Unauthorized access via unrestricted authentication attempts

Published Dec 5, 2025 · Updated Dec 5, 2025

Improper authentication-attempt restriction in Dell CloudBoost Virtual Appliance before 19.13.0.2 allows remote attackers unauthorized access. Dell identifies proprietary authentication code but has not disclosed the affected endpoint or how failed attempts evade restriction. Exploitation requires unauthenticated network access and high attack complexity; successful access can affect confidentiality, integrity, and availability.

CVSS severity7.0
High
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication-attempt restriction in Dell CloudBoost Virtual Appliance before 19.13.0.2 allows remote attackers unauthorized access. Dell identifies proprietary authentication code but has not disclosed the affected endpoint or how failed attempts evade restriction. Exploitation requires unauthenticated network access and high attack complexity; successful access can affect confidentiality, integrity, and availability.

The record

CVE
CVE-2025-46603
Published
Dec 5, 2025
Updated
Dec 5, 2025
Vendor
Dell
Product
CloudBoost
Classifications
CWE-307, T1110
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 5, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 5, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=N/A <19.13.0.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Dell · CloudBoostversion=N/A <19.13.0.2

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.0DellCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-307Improper Restriction of Excessive Authentication Attempts
T1110Brute Force

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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