EUVD-2026-79370
GHSA-rw23-565h-3q9h
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description confirms unauthenticated network HTTP access (AV:N/AC:L/PR:N/UI:N) yielding complete takeover (C:H/I:H/A:H); no cross-component scope change is claimed, so S:U.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
3DescriptionCVE.org
Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Identity Manager. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Authentication bypass in the OIM Legacy UI component of Oracle Identity Manager 12.2.1.4.0 and 14.1.2.1.0 lets an unauthenticated attacker who can reach the interface over HTTP take full control of the affected deployment, with complete loss of confidentiality, integrity, and availability (CVSS 3.1 base score 9.8). Exploitation requires no credentials or user interaction (vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), but it does depend on the Legacy UI being network-reachable; instances shielded by segmentation, VPN, or reverse-proxy access controls that block direct HTTP to that component are not exposed to external actors. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation over HTTP against Oracle Identity Manager instances whose OIM Legacy UI component is network-reachable (AV:N/AC:L/PR:N/UI:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority vulnerability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the fix distributed through Oracle's Critical Patch Update advisory referencing CVE-2026-83042 (https://www.oracle.com/security-alerts/cspusep2026.html) - the input data indicates patch availability per vendor advisory but does not specify an exact patched version string, so verify the applicable build for your 12.2.1.4.0 or 14.1.2.1.0 installation directly with Oracle before scheduling. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Oracle Identity Manager deployments to determine which run 12.2.1.4.0 or 14.1.2.1.0, and immediately restrict network reachability to the OIM Legacy UI component using firewall rules, VPN-only access, or reverse-proxy controls that block direct HTTP from untrusted networks; verify via external scan that the interface is not internet-exposed. …
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External POC / Exploit Code
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