What’s Vulnerable › Vulnerabilities

CVE-2021-27481

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-16 · updated 2026-06-17
• Weakness: CWE-321

Description

ZOLL Defibrillator Dashboard, v prior to 2.2, The affected products utilize an encryption key in the data exchange process, which is hardcoded. This could allow an attacker to gain access to sensitive information.

Affected products

• ZOLL Defibrillator Dashboard: before 2.2 — fixed in 2.2

How to fix

Upgrade to a fixed version: ZOLL Defibrillator Dashboard 2.2. Check the vendor advisory for mitigations.

References

• https://us-cert.cisa.gov/ics/advisories/icsma-21-161-01
• https://us-cert.cisa.gov/ics/advisories/icsma-21-161-01

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