CVE-2021-37933

Name: CVE-2021-37933
Creator: NVD / NIST
Published: 2021-10-14T16:15:09.123+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.47%

Last modified Jun 17, 2026

CVE-2021-37933 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An LDAP injection vulnerability in /account/login in Huntflow Enterprise before 3.10.6 could allow an unauthenticated, remote user to modify the logic of an LDAP query and bypass authentication. The vulnerability is due to insufficient server-side validation of the email parameter before using it to construct LDAP queries. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

Description

An LDAP injection vulnerability in /account/login in Huntflow Enterprise before 3.10.6 could allow an unauthenticated, remote user to modify the logic of an LDAP query and bypass authentication. The vulnerability is due to insufficient server-side validation of the email parameter before using it to construct LDAP queries. An attacker could bypass authentication exploiting this vulnerability by sending login attempts in which there is a valid password but a wildcard character in email parameter.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.47%

70.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Huntflow	Huntflow Enterprise	< 3.10.6

References

https://gist.github.com/andrey-lomtev/cbf12bc8d8763996cf8d6d1641a0b049Exploit, Third Party Advisory
https://gist.github.com/andrey-lomtev/cbf12bc8d8763996cf8d6d1641a0b049Exploit, Third Party Advisory

Timeline

Published: Oct 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37933?

How severe is CVE-2021-37933?

CVE-2021-37933 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37933?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-37933?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST