CVE-2025-9342: AHE Mobile Auth Bypass Vulnerability

CVE-2025-9342 is an authorization bypass flaw in AHE Mobile that enables privilege abuse through user-controlled keys. This vulnerability affects versions 1.9.7 through 1.9.8 and allows unauthorized access escalation. This article covers technical details, affected versions, impact assessment, and mitigation strategies.

CVE-2025-9342 Overview

CVE-2025-9342 is an Authorization Bypass Through User-Controlled Key vulnerability [CWE-639] affecting the AHE Mobile application published by Anadolu Hayat Emeklilik Inc. The flaw allows an authenticated user to abuse privileges by manipulating a user-controlled identifier to access resources that belong to other accounts. The issue affects AHE Mobile versions from 1.9.7 before 1.9.9. The vulnerability was published to the National Vulnerability Database (NVD) on September 23, 2025.

Critical Impact
An authenticated attacker can access confidential data belonging to other AHE Mobile users by tampering with request parameters that reference user-owned objects.

Affected Products

Anadolu Hayat Emeklilik Inc. AHE Mobile 1.9.7
Anadolu Hayat Emeklilik Inc. AHE Mobile versions after 1.9.7 and before 1.9.9
Fixed in AHE Mobile 1.9.9

Discovery Timeline

2025-09-23 - CVE-2025-9342 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-9342

Vulnerability Analysis

The vulnerability belongs to the Insecure Direct Object Reference (IDOR) class, formally tracked as Authorization Bypass Through User-Controlled Key [CWE-639]. The AHE Mobile application exposes object identifiers in client requests but fails to verify that the authenticated user owns the requested resource. An attacker who authenticates with a valid low-privilege account can enumerate or substitute identifiers to retrieve data belonging to other customers. The confidentiality impact is high while integrity and availability remain unaffected, consistent with a read-oriented authorization bypass.

Root Cause

The root cause is missing server-side authorization enforcement on API endpoints that accept user-supplied keys. The backend trusts the identifier provided in the request rather than deriving ownership from the authenticated session context. This design pattern allows horizontal privilege escalation across accounts within the same role tier.

Attack Vector

Exploitation requires network access to the AHE Mobile backend and valid user credentials. The attacker intercepts legitimate requests, modifies the user-controlled key (for example a customer identifier, policy number, or record ID), and replays the request. The backend returns records associated with the substituted identifier without verifying ownership. No user interaction from the victim is required.

No verified proof-of-concept code is publicly available for CVE-2025-9342. See the Siber Güvenlik Security Advisory and the USOM Security Notification for the vendor-coordinated disclosure.

Detection Methods for CVE-2025-9342

Indicators of Compromise

Authenticated API requests where the user-supplied identifier does not correspond to any resource owned by the session account.
Sequential or enumerated identifier values originating from a single session within a short time window.
Elevated rates of successful responses to requests referencing identifiers outside a user's historical access pattern.

Detection Strategies

Instrument backend API logs to record the authenticated subject alongside every object identifier referenced in requests, then alert on mismatches.
Correlate mobile client telemetry with server logs to identify client-side identifier tampering that bypasses expected UI workflows.
Baseline per-user access patterns and flag deviations such as access to unusually large numbers of distinct resource identifiers.

Monitoring Recommendations

Enable verbose authorization logging on AHE Mobile backend services and forward events to a centralized SIEM for analysis.
Monitor for repeated HTTP 200 responses to parameter-fuzzing patterns against endpoints that accept user, policy, or account identifiers.
Track application version telemetry from mobile clients to confirm migration away from vulnerable 1.9.7 and 1.9.8 builds.

How to Mitigate CVE-2025-9342

Immediate Actions Required

Upgrade AHE Mobile to version 1.9.9 or later on all end-user devices.
Invalidate active sessions on affected backend services to force re-authentication against the patched authorization logic.
Review backend access logs for anomalous identifier access during the exposure window and notify affected users where warranted.

Patch Information

Anadolu Hayat Emeklilik Inc. has released AHE Mobile version 1.9.9, which addresses the Authorization Bypass Through User-Controlled Key issue. Refer to the Siber Güvenlik Security Advisory and the USOM Security Notification for official vendor guidance.

Workarounds

No vendor-sanctioned workaround is available; the upgrade to version 1.9.9 is the only supported remediation.
Where upgrade is delayed, restrict backend API access through additional server-side ownership checks implemented at the gateway or application layer.
Enforce rate limiting and anomaly detection on endpoints that accept user-controlled identifiers to reduce enumeration feasibility.

bash

# Configuration example
# Server-side ownership enforcement pattern (pseudo-code)
# Reject requests where the requested resource owner does not match the authenticated subject
if request.resource.owner_id != session.authenticated_user_id:
    return HTTP_403_FORBIDDEN