Description

Vulnerability in the Oracle Applications Platform Engineering product of Oracle E-Business Suite (component: Valid Session). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Applications Platform Engineering. Successful attacks of this vulnerability can result in takeover of Oracle Applications Platform Engineering. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.1",
  "pubDate": "2026-08-18T21:17:33.387Z",
  "pubdate": "2026-08-18T21:17:33.387Z",
  "executiveSummary": "A critical security vulnerability has been identified within the Oracle Applications Platform Engineering component of Oracle E-Business Suite, specifically affecting the Valid Session functionality across supported versions 12.2.3 through 12.2.15. This flaw exposes enterprise environments to severe risks, allowing an unauthenticated remote adversary to achieve a complete system takeover.\nThe vulnerability presents a high CVSS 3.1 base score of 8.1, driven by maximum potential impacts on confidentiality, integrity, and availability. Exploitation requires network access via the Oracle Net protocol and relies on specific conditions described as difficult to exploit, indicating that successful attacks demand precise execution and favorable environmental factors.\nDespite the high attack complexity, the capability for an unauthenticated network attacker to completely compromise the underlying platform engineering infrastructure creates an unacceptable operational risk. Successful exploitation grants the adversary full control over the affected Oracle Applications Platform Engineering component, potentially leading to cascading security failures across the broader Oracle E-Business Suite deployment.",
  "technicalDetails": "The vulnerability resides in the Valid Session component of the Oracle Applications Platform Engineering product within Oracle E-Business Suite, impacting versions 12.2.3 through 12.2.15. The root cause stems from improper validation or handling of session states within the network-exposed architecture, processed via the Oracle Net protocol.\nExploitation of this vulnerability is executed remotely over the network without requiring any prior authentication or user interaction. An attacker leverages the Oracle Net protocol to interact directly with the vulnerable Valid Session component. Because the attack vector is network-based (AV:N), adversaries do not require local access to the target host.\nThe attack flow proceeds as follows. First, the unauthenticated attacker establishes a network connection to the Oracle Applications Platform Engineering service using the Oracle Net protocol. Second, the attacker transmits a specially crafted payload targeting the session validation routines of the affected component. Due to the high attack complexity (AC:H), the adversary must carefully construct the input to bypass validation logic or induce anomalous state processing within the valid session handler.\nUpon successful processing of the crafted payload, the underlying security controls fail to properly validate the session context. This breakdown in state verification allows the attacker to subvert the authentication boundary, resulting in unauthorized privilege escalation and complete session hijacking. The post-exploitation impact is catastrophic, culminating in the total takeover of the Oracle Applications Platform Engineering product.\nThe vulnerability affects all three core security triads—confidentiality, integrity, and availability (C:H/I:H/A:H)—as a successful takeover enables the attacker to read sensitive data, modify core system configurations, and disrupt operational services."
}