CVE-2021-27481: ZOLL Defibrillator Dashboard, v prior to 2.2, The affected products utilize an encryption key in the data exch

Q: How do I fix CVE-2021-27481?

defibrillator dashboard: upgrade to 2.2. Exact commands for each OS are on this page.

Q: Is CVE-2021-27481 being exploited?

CVE-2021-27481 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-27481 affect?

CVE-2021-27481 affects defibrillator dashboard. Severity is medium (CVSS 5.5). 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.

Q: How urgent is CVE-2021-27481?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2021-27481 is a medium-severity flaw (CVSS 5.5) affecting defibrillator dashboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 96%)
CISA exploited list	No
Weakness	CWE-321, CWE-798
Published	2021-06-16
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: zoll

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-06-16 12:15 UTCPublished CVE record published
2026-06-17 03:44 UTCUpdated Record last modified

zoll defibrillator dashboard UPGRADE

Affected: < 2.2

Fixed in: 2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy defibrillator-dashboard || rpm -q defibrillator-dashboard || defibrillator-dashboard --version

2. UPGRADE to 2.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade defibrillator-dashboard

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade defibrillator-dashboard

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-27481?

defibrillator dashboard: upgrade to 2.2. Exact commands for each OS are on this page.

Is CVE-2021-27481 being exploited?

CVE-2021-27481 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-27481 affect?

CVE-2021-27481 affects defibrillator dashboard. Severity is medium (CVSS 5.5). 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.

How urgent is CVE-2021-27481?

Priority 20/100. No elevated risk signals yet.

Related CVEs

CVE-2021-27489 HIGH 8.8 UPGRADE ZOLL Defibrillator Dashboard, v prior to 2.2, The web application allows a non-administrative user to upload a
CVE-2021-27487 MEDIUM 5.5 UPGRADE ZOLL Defibrillator Dashboard, v prior to 2.2, The affected products contain credentials stored in plaintext
CVE-2021-27485 HIGH 7.5 UPGRADE ZOLL Defibrillator Dashboard, v prior to 2.2,The application allows users to store their passwords in a recove
CVE-2021-27483 HIGH 7.8 UPGRADE ZOLL Defibrillator Dashboard, v prior to 2.2,The affected products contain insecure filesystem permissions tha
CVE-2021-27479 MEDIUM 5.4 UPGRADE ZOLL Defibrillator Dashboard, v prior to 2.2,The affected product’s web application could allow a low privileg

References

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