CVE-2021-37935: An information disclosure vulnerability in the login page of Huntflow Enterprise before 3.10.4 could allow an

Q: How do I fix CVE-2021-37935?

huntflow enterprise: upgrade to newer than 3.10.4. Exact commands for each OS are on this page.

Q: Is CVE-2021-37935 being exploited?

CVE-2021-37935 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-37935 affect?

CVE-2021-37935 affects huntflow enterprise. Severity is high (CVSS 7.5). An information disclosure vulnerability in the login page of Huntflow Enterprise before 3.10.4 could allow an unauthenticated, remote user to get information about the domain name of the configured LDAP server. An attacker could exploit thi

Q: How urgent is CVE-2021-37935?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2021-37935 is a high-severity flaw (CVSS 7.5) affecting huntflow enterprise. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An information disclosure vulnerability in the login page of Huntflow Enterprise before 3.10.4 could allow an unauthenticated, remote user to get information about the domain name of the configured LDAP server. An attacker could exploit this vulnerability by requesting the login page and searching for the "isLdap" JavaScript parameter in the HTML source code.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-200
Published	2021-12-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: huntflow

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-12-10 17:15 UTCPublished CVE record published
2026-06-17 04:01 UTCUpdated Record last modified

huntflow huntflow enterprise UPGRADE

Affected: <= 3.10.4

Fixed in: newer than 3.10.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy huntflow-enterprise || rpm -q huntflow-enterprise || huntflow-enterprise --version

2. UPGRADE to newer than 3.10.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade huntflow-enterprise

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade huntflow-enterprise

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-37935?

huntflow enterprise: upgrade to newer than 3.10.4. Exact commands for each OS are on this page.

Is CVE-2021-37935 being exploited?

CVE-2021-37935 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-37935 affect?

CVE-2021-37935 affects huntflow enterprise. Severity is high (CVSS 7.5). An information disclosure vulnerability in the login page of Huntflow Enterprise before 3.10.4 could allow an unauthenticated, remote user to get information about the domain name of the configured LDAP server. An attacker could exploit thi

How urgent is CVE-2021-37935?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-37934 CRITICAL 9.8 UPGRADE Due to insufficient server-side login-attempt limit enforcement, a vulnerability in /account/login in Huntflow
CVE-2021-37933 HIGH 7.5 UPGRADE An LDAP injection vulnerability in /account/login in Huntflow Enterprise before 3.10.6 could allow an unauthen

References

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