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CVE-2021-37934

30
FAUCET Score

CVE-2021-37934 is a critical vulnerability affecting Huntflow Enterprise versions prior to 3.10.14, stemming from insufficient server-side login-attempt limit enforcement. This allows an unauthenticated, remote attacker to conduct brute-force password guessing against user accounts. With a CVSS score of 9.8, this vulnerability poses a high risk to confidentiality, integrity, and availability due to its network-based attack vector and low attack complexity. While no active exploitation, public exploit code, or significant community discussion has been observed, its high FAUCET Risk Score of 80/100 indicates a substantial potential for impact if exploited.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.10.14CPE matchmatch criteria
cpe:2.3:a:huntflow:huntflow_enterprise:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 59th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gist.github.com / andrey-lomtev/4ec9004101152ea9d0043a09d59498a6
ExploitThird Party Advisory