How to fix CVE-2025-4378?

Within 24 hours: Identify all systems running ATA-AOF Mobile Application versions before 20.06.2025 and isolate them from production networks if possible; notify all end users to avoid using the application pending updates. Within 7 days: Deploy vendor-released patch to version 20.06.2025 or later across all institutional deployments; verify patch application on all mobile devices and backend systems. Within 30 days: Conduct account access audit for the vulnerability window; reset credentials for all accounts that may have been exposed; monitor access logs for suspicious authentication patterns; implement network segmentation to restrict the application to authorized use cases only.

CVE-2025-4378

EUVD-2025-19092 CRITICAL

2025-06-24 [email protected]

Authentication Bypass Information Disclosure

10.0

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

Low

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 05:53 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

patch_available

Apr 16, 2026 - 05:29 EUVD

20.06.2025

Analysis Generated

Mar 15, 2026 - 22:36 vuln.today

EUVD ID Assigned

Mar 15, 2026 - 22:36 euvd

EUVD-2025-19092

CVE Published

Jun 24, 2025 - 17:15 nvd

CRITICAL 10.0

DescriptionNVD

Cleartext Transmission of Sensitive Information, Use of Hard-coded Credentials vulnerability in Ataturk University ATA-AOF Mobile Application allows Authentication Abuse, Authentication Bypass.This issue affects ATA-AOF Mobile Application: before 20.06.2025.

AnalysisAI

CVE-2025-4378 is a critical authentication vulnerability in Ataturk University's ATA-AOF Mobile Application that combines cleartext transmission of sensitive information with hard-coded credentials, allowing unauthenticated attackers over the network to bypass authentication and abuse user accounts. All versions before 20.06.2025 are affected with a perfect CVSS 3.1 score of 10.0, indicating maximum severity across confidentiality, integrity, and availability dimensions.

Technical ContextAI

The vulnerability stems from two root causes classified under CWE-319 (Cleartext Transmission of Sensitive Information): (1) transmission of authentication credentials in plaintext over the network without encryption, and (2) use of hard-coded credentials embedded in the mobile application binary. The ATA-AOF Mobile Application likely transmits login tokens, API keys, or credentials via HTTP instead of HTTPS, or stores hard-coded service account credentials in the application code that can be extracted through reverse engineering. This affects the authentication layer of a university enrollment/academic services platform, where credential compromise directly enables account takeover and impersonation of legitimate users (students, faculty, administrators).

RemediationAI

Immediate actions: (1) Update ATA-AOF Mobile Application to version 20.06.2025 or later immediately upon release; (2) Force all users to update via app store mandatory update mechanism; (3) Rotate all hard-coded credentials embedded in previous application versions and invalidate any credentials transmitted in cleartext; (4) Implement server-side rate limiting and anomaly detection on authentication endpoints to detect credential stuffing attacks; (5) Deploy network-level monitoring to identify cleartext credential transmission. Long-term remediation: (6) Enforce HTTPS/TLS 1.2+ for all API communication with certificate pinning in the mobile app; (7) Remove all hard-coded credentials from application code and transition to secure credential management (OAuth2, API tokens stored in secure storage); (8) Conduct security code review and SAST scanning of the patched version before release; (9) Implement certificate-based or multi-factor authentication for sensitive operations. Patch availability: Update to version 20.06.2025 or later when available from official Ataturk University application distribution channels.

CVE-2025-4378 vulnerability details – vuln.today

Back