Description

A weakness has been identified in 3CORESec Trapdoor up to 1.2.2. Affected by this vulnerability is the function DefaultFunction. This manipulation causes improper access controls. The attack can be initiated remotely. The vendor was contacted early about this disclosure.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "6.3",
  "pubDate": "2026-08-09T16:16:52.503Z",
  "pubdate": "2026-08-09T16:16:52.503Z",
  "executiveSummary": "A security vulnerability has been identified within 3CORESec Trapdoor up to version 1.2.2, specifically residing within the DefaultFunction component. This vulnerability manifests as an improper access control flaw, potentially allowing unauthorized entities to bypass security boundaries and execute restricted operations. The weakness introduces significant risk implications, as it exposes critical functionalities to unauthorized manipulation and compromises the overall integrity and confidentiality of the affected system. The attack vector is fully remote, enabling malicious actors to interact with the vulnerable application over a network without requiring prior physical access or local infrastructure presence. Exploitation of this vulnerability requires network connectivity to the target application and targets the flawed logic within the DefaultFunction. The vendor was contacted early regarding this disclosure to facilitate remediation efforts, but users of the affected versions remain at risk until patches are applied or appropriate compensating controls are implemented.",
  "technicalDetails": "The vulnerability stems from an improper access control implementation within the DefaultFunction of 3CORESec Trapdoor up to version 1.2.2. Access control vulnerabilities typically occur when an application fails to properly verify whether a user or requesting entity possesses the necessary privileges or authorization to perform a specific action or access a designated resource. In this instance, the vulnerable component, DefaultFunction, lacks adequate authorization checks, thereby exposing sensitive logic or operations to unauthorized callers over the network.\nThe attack flow initiates when a remote attacker crafts a specific request directed at the network-exposed endpoint governed by the DefaultFunction. Because the affected software versions fail to enforce strict permission validations or role-based access controls prior to executing the core logic of the function, the application processes the incoming request as valid. Consequently, the attacker can successfully invoke restricted capabilities or access unauthorized data structures, bypassing the intended security architecture.\nThe root cause is anchored in the insufficient validation of caller privileges within the function handling routine. Network exposure allows unauthenticated or under-privileged remote actors to interact directly with the vulnerable component. Post-exploitation impact includes unauthorized execution of administrative or system-level functions, potential data tampering, and disruption of service integrity, depending on the exact nature of the operations encapsulated within DefaultFunction. Since no specific authentication or privilege requirements are enforced correctly by the component, the barrier to exploitation is minimized for any attacker capable of reaching the service over the network."
}