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Oracle Identity Manager CVE-2026-101497

| EUVDEUVD-2026-105912 MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2026-10-20 secalert_us@oracle.com GHSA-xv4v-q3hv-h252
4.3
CVSS 3.1 · Vendor: oracle
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate as low-privileged OIM user
  2. Exploit
    Send crafted HTTP request to Connector Framework
  3. Execution
    Trigger resource/logic fault
  4. Impact
    Cause partial denial of service

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires network access to the HTTP interface of Oracle Identity Manager and a valid low-privileged authenticated account (CVSS PR:L) - it is not reachable by fully anonymous attackers. The flaw resides specifically in the Connector Framework component of OIM versions 12.2.1.4.0 and 14.1.2.1.0; environments on other versions or without exposed OIM HTTP endpoints are not affected. The practical limiting factor is the authentication requirement: an attacker must already possess credentials to a low-privilege OIM account, which restricts this to insiders or attackers who have already obtained a foothold. Impact is capped at a partial, self-contained denial of service (A:L, S:U) with no data exposure or modification.

Impact

This is a genuinely low-priority vulnerability despite being network-reachable. The CVSS 3.1 base score of 4.3 (MEDIUM) is driven entirely by a partial availability impact (A:L) with no confidentiality or integrity consequences (C:N/I:N). Oracle's own 'Easily exploitable' language aligns with the vector's AV:N/AC:L (network, low complexity), but exploitation requires an already-authenticated low-privileged account (PR:L), which meaningfully narrows the attacker population to users who already have a foothold in Oracle Identity Manager. No EPSS score, CISA KEV listing, or public proof-of-concept is present in the provided data, and the scope is unchanged (S:U), so the worst realistic outcome is a partial, self-contained service degradation rather than an outage of dependent systems. There are no conflicting signals here - every available source (Oracle advisory, EUVD, CVSS vector) consistently points to a low-impact DoS. The main caveat is that the CWE is listed as N/A and no technical root-cause detail is published, so the specific mechanism of the denial of service cannot be independently verified beyond Oracle's summary.

Exploit ScenarioDerived

A low-privileged but authenticated user of Oracle Identity Manager (for example, a self-service or delegated-admin account) sends specially crafted HTTP requests to the Connector Framework component, causing a partial denial of service that degrades or temporarily disrupts identity-management functionality. No public exploit code is identified at the time of analysis, and the low complexity means a valid account is the primary barrier rather than technical difficulty.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Authenticated low-privileged users can cause a partial denial of service in Oracle Identity Manager's Connector Framework by sending crafted HTTP requests to exposed OIM endpoints. The issue affects Oracle Fusion Middleware Identity Manager versions 12.2.1.4.0 and 14.1.2.1.0 and carries a CVSS 3.1 score of 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L), meaning availability-only impact with no confidentiality or integrity loss. No public exploit was identified at time of analysis, and the authentication prerequisite keeps this a low-priority concern for most environments.

RemediationAI

Oracle addresses this issue through its October 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpuoct2026.html); apply the update to Oracle Identity Manager 12.2.1.4.0 and 14.1.2.1.0. The provided data does not specify an exact fixed build number, so patch availability is per the vendor advisory and the precise patched release should be confirmed there before upgrading. Until patching is complete, reduce exposure by restricting network access to the OIM HTTP interface to trusted management networks - trade-off: remote connector and provisioning traffic from untrusted segments will fail. Enforce least privilege and review low-privileged OIM accounts, removing unnecessary ones - trade-off: this may disrupt delegated administration or connector service accounts that rely on those identities. Monitor and rate-limit anomalous request patterns against Connector Framework endpoints - trade-off: aggressive throttling can delay legitimate bulk provisioning or reconciliation jobs. Because no public exploit was identified at time of analysis and exploitation requires valid low-privileged credentials, remediation can follow the low CVSS score and authentication prerequisite rather than emergency change procedures.

Affected VersionsENISA

Oracle Identity Manager 12.2.1.4.0
Oracle Identity Manager 14.1.2.1.0

Affected Packages

euvd oracle_identity_manager no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Oracle Identity Manager is the identity administration and provisioning component of Oracle Fusion Middleware; its Connector Framework provides the integration layer used to connect OIM to target systems for account provisioning and reconciliation. The provided data does not assign a CWE, so the precise root-cause weakness class cannot be confirmed, but the CVSS vector makes the security property clear: the flaw is network-reachable over HTTP with low attack complexity, requires a valid low-privileged authenticated account (PR:L), needs no user interaction, and affects only availability (A:L) within the same security scope (S:U). That profile is consistent with a resource-consumption or request-handling weakness in a Connector Framework endpoint that an authenticated user can reach, causing a partial, self-contained denial of service rather than data exposure or modification. The independent assessment reinforces that the vulnerability is not reachable by fully anonymous attackers and is confined to the Connector Framework in the two listed OIM releases; deployments on other versions or without exposed OIM HTTP interfaces are not affected.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (oracle) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
vuln.today AI 4.3 MEDIUM

Network HTTP vector with low complexity, but a low-privileged authenticated account is required (PR:L); impact is limited to partial availability loss with no confidentiality or integrity effect.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

DescriptionCVE.org

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: Connector Framework). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Identity Manager. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Identity Manager. CVSS 3.1 Base Score 4.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).

Threat Intelligence Overview

EPSS Score
0.4%
Top 72% exploitable
Prevalence
Medium
enterprise IAM product, common in large Oracle shops but not everywhere
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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