CVE-2024-44762: A discrepancy in error messages for invalid login attempts in Webmin Usermin v2.100 allows attackers to enumer

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MEDIUM 5.3REMOTEDOWNGRADE

CVE-2024-44762 is a medium-severity flaw (CVSS 5.3) affecting usermin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A discrepancy in error messages for invalid login attempts in Webmin Usermin v2.100 allows attackers to enumerate valid user accounts.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-209
Published	2024-10-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: webmin

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

Am I affected?

Timeline

2024-10-16 21:15 UTCPublished CVE record published
2026-06-17 07:53 UTCUpdated Record last modified

webmin usermin DOWNGRADE

Affected: 2.100

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.100

1. Check installed version

apt-cache policy usermin || rpm -q usermin || usermin --version

2. No fixed release: DOWNGRADE to a release before 2.100 (Debian / Ubuntu)

apt-cache madison usermin sudo apt install usermin=<VERSION_BEFORE_2.100> sudo apt-mark hold usermin

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list usermin sudo dnf downgrade usermin-<VERSION_BEFORE_2.100> sudo dnf versionlock add usermin

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Usermin 2.100 - Username Enumeration
Exploit-DB: Webmin Usermin 2.100 - Username Enumeration
Nuclei scan template: Usermin 2.100 - Username Enumeration

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-2024-44762?

usermin: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-44762 being exploited?

CVE-2024-44762 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-2024-44762 affect?

CVE-2024-44762 affects usermin. Severity is medium (CVSS 5.3). A discrepancy in error messages for invalid login attempts in Webmin Usermin v2.100 allows attackers to enumerate valid user accounts.

How urgent is CVE-2024-44762?

Priority 50/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-36453 MEDIUM 6.1 UPGRADE UPGRADE Cross-site scripting vulnerability exists in session_login.cgi of Webmin versions prior to 1.970 and Usermin v
CVE-2015-2079 CRITICAL 9.9 UPGRADE Usermin 0.980 through 1.x before 1.660 allows uconfig_save.cgi sig_file_free remote code execution because it

References

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