Dell Cloudboost Virtual Appliance vulnerabilities

2 CVEs affecting Dell Cloudboost Virtual Appliance, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-21417, published 2026-01-27.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2025-46603, published 2025-12-05. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Dell CloudBoost Virtual Appliance, versions 19.13.0.0 and prior, contains an Improper Restriction of Excessive Authentication Attempts vulnerability. An unauthenticated attacker with remote access…
• CVE-2026-21417, published 2026-01-27. High severity, CVSS 7.2. EPSS: 0.2% chance of exploitation in the next 30 days. Dell CloudBoost Virtual Appliance, versions prior to 19.14.0.0, contains a Plaintext Storage of Password vulnerability. A high privileged attacker with remote access could potentially exploit this…