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CVE-2021-27489

27
FAUCET Score

CVE-2021-27489 describes a critical arbitrary file upload vulnerability in ZOLL Defibrillator Dashboard versions prior to 2.2, allowing a non-administrative user to upload malicious files. This flaw carries a high CVSS score of 8.8, indicating that it can be exploited remotely with low complexity to achieve complete compromise of confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there's no evidence of active exploitation or significant community discussion, the potential for remote code execution makes this a serious concern.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2CPE matchmatch criteria
cpe:2.3:a:zoll:defibrillator_dashboard:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.29%
Probability of exploitation in next 30 days
EPSS Percentile
67.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0129 is in the 64th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

us-cert.cisa.gov / ics/advisories/icsma-21-161-01
MitigationThird Party AdvisoryUS Government Resource