EUVD-2025-209166
GHSA-7h2g-p6hq-vh75
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
The login mechanism of Sage DPW 2021_06_004 displays distinct responses for valid and invalid usernames, allowing enumeration of existing accounts in versions before 2021_06_000. On-premise administrators can toggle this behavior in newer versions.
AnalysisAI
Sage DPW versions before 2021_06_000 leak valid username existence through differential login response timing and messaging, enabling account enumeration without authentication. The vulnerability has a low CVSS score (3.7) reflecting limited confidentiality impact and high attack complexity, though it reduces the security barrier for subsequent targeted attacks against known valid accounts. No active exploitation has been confirmed.
Technical ContextAI
The vulnerability stems from a classic information disclosure flaw in authentication mechanisms where the login endpoint returns distinguishable responses for valid versus invalid usernames. This allows an unauthenticated attacker to enumerate valid user accounts by observing timing differences, error messages, or HTTP response codes during failed login attempts. Sage DPW is an on-premise data processing and workflow management system; the affected versions (pre-2021_06_000) do not provide administrative controls to disable this enumeration vector. The CWE classification was not provided in the advisory data, though this pattern typically falls under CWE-203 (Observable Discrepancy) or CWE-640 (Weak Password Recovery Mechanism Validation).
RemediationAI
Upgrade Sage DPW to version 2021_06_000 or later, which includes administrative controls to disable username enumeration in the login mechanism. If immediate upgrade is not feasible, consult the Sage DPW administrator documentation (https://www.sagedpw.at/) for guidance on firewall or reverse-proxy rules that can normalize login error responses or rate-limit enumeration attempts. Implement account lockout policies and monitor failed login attempts for patterns consistent with username enumeration attacks.
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Same weakness CWE-203 – Observable Discrepancy
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today