Is CVE-2021-27489 in the CISA KEV catalog?

No. CVE-2021-27489 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27489?

CVE-2021-27489 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-27489?

CVE-2021-27489 has an EPSS score of 1.29% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27489?

Upgrade defibrillator dashboard to 2.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-27489

HIGH

8.8

CVSS v3

NVD

Description

ZOLL Defibrillator Dashboard, v prior to 2.2, The web application allows a non-administrative user to upload a malicious file. This file could allow an attacker to remotely execute arbitrary commands.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

defibrillator dashboardNVD

Affected:< 2.2Fixed in:2.2CVE-2021-27489derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.29%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Mitigation1

us-cert.cisa.gov

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.