CVE-2025-27451

Published Jul 3, 2025

Last updated 15 days ago

CVSS medium 5.3

Overview

Description
For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.
Source
psirt@sick.de
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.3
Impact score
1.4
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Severity
MEDIUM

Weaknesses

psirt@sick.de
CWE-204

Social media

Hype score
Not currently trending

  1. CVE-2025-27451 Username Enumeration Vulnerability in Authentication Mechanism https://t.co/O8chVD47uC Vulnerability Alert Subscriptions: https://t.co/hrQhy5uz4x

    @VulmonFeeds

    3 Jul 2025

    16 Impressions

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References

Sources include official advisories and independent security research.