Is CVE-2021-37934 actively exploited?

No active exploitation of CVE-2021-37934 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-37934 be exploited remotely?

Yes. CVE-2021-37934 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-37934?

CVE-2021-37934 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-37934

CRITICAL

CVE-2021-37934

CWE-307Published: December 10, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Due to insufficient server-side login-attempt limit enforcement, a vulnerability in /account/login in Huntflow Enterprise before 3.10.14 could allow an unauthenticated, remote user to perform multiple login attempts for brute-force password guessing.

NVD Source

Technical Analysis

CVE-2021-37934 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.