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Oracle Enterprise Manager CVE-2026-61298

| EUVDEUVD-2026-61360 MEDIUM
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-9mrm-f998-c4pm
5.6
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
    Gain low-privileged local host logon
  2. Delivery
    Trigger install component in vulnerable state
  3. Exploit
    Exploit AC:H condition (race or state dependency)
  4. Execution
    Bypass access control in install subsystem
  5. Impact
    Read all OEM-accessible data including managed system credentials

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

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

Exploitation Conditions

Exploitation requires an active, authenticated local session on the infrastructure host where Oracle Enterprise Manager Base Platform executes - remote network exploitation is not possible given AV:L. The attacker must hold at minimum low-privilege local credentials (PR:L), ruling out unauthenticated access. High attack complexity (AC:H) means special conditions beyond the attacker's direct control must be met, likely a specific install-phase state, timing window, or environmental configuration in the Enterprise Manager Install component. Versions 13.5 and 24.1 are the only confirmed affected releases. No special non-default configuration is documented as required, but the install component involvement implies the attack surface is most exposed during installation or upgrade operations. Integrity and availability are not impacted - only confidentiality is at risk.

Impact

The CVSS 3.1 score of 5.6 (Medium) is consistent with the local, high-complexity, low-privilege vector. Real-world risk is moderated by the requirement for local host access (AV:L), which significantly reduces the attacker population compared to a network-exploitable flaw - even a mid-sized municipal IT team in koszalin managing Oracle infrastructure would face this risk primarily from insider threat or post-compromise lateral movement rather than direct external attack. The AC:H rating further constrains opportunistic exploitation, requiring specific conditions that must be deliberately arranged. The Scope:Changed metric elevates concern: a successful local attacker gains C:H access not only to OEM data but potentially to managed targets. EPSS data is not provided, and the absence of KEV listing and public POC suggests no confirmed active exploitation. The 'Authentication Bypass' tag conflicts slightly with PR:L - if authentication bypass were achieved from an unauthenticated state, PR should be N; the PR:L rating implies the bypass occurs after some minimal authentication, likely an elevation-of-privilege scenario within the install process. This conflict should be verified against the Oracle advisory. Overall, this is a genuine but situationally constrained risk: high consequence if reached, but hard to reach without local foothold.

Exploit ScenarioDerived

An attacker with a low-privileged local account on the host running Oracle Enterprise Manager Base Platform - for example, a rogue insider or an attacker who has already compromised a service account via a separate vulnerability - triggers the Enterprise Manager Install component under specific environmental conditions to bypass access controls. Exploiting the high-complexity conditions (which may involve a race condition or specific install-state timing), the attacker gains read access to all data accessible to the OEM platform, potentially including credentials, configuration data, and monitoring telemetry for all managed Oracle and third-party systems. No public POC is available at time of analysis.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 19, 2026

Local privilege escalation with scope change in Oracle Enterprise Manager Base Platform versions 13.5 and 24.1 exposes critical data to a low-privileged local attacker. The Enterprise Manager Install component can be compromised by an authenticated local user under difficult but achievable conditions, with successful exploitation yielding complete confidentiality breach of all data accessible to the platform - including data from additional managed products due to scope change. No public exploit code has been identified at time of analysis, and CISA KEV confirmation is absent.

RemediationAI

Apply Oracle's Critical Security Patch Update (CPU) for August 2026, available via https://www.oracle.com/security-alerts/cspuaug2026.html. Oracle does not disclose exact patch version numbers outside the CPU documentation, so consult the My Oracle Support portal for the specific patch ID applicable to your OEM release (13.5 or 24.1). As a compensating control pending patch application, restrict logon access to hosts running Oracle Enterprise Manager Base Platform to only essential, trusted accounts - reducing the attacker pool for this AV:L flaw. Auditing and alerting on install-component invocations outside of maintenance windows can provide early detection. Note that restricting local logon access may impact authorized DBA and infrastructure teams and should be coordinated with change management. No workaround short of access restriction is documented in available data.

Affected VersionsENISA

Oracle Enterprise Manager Base Platform 24.1
Oracle Enterprise Manager Base Platform 13.5

Affected Packages

euvd oracle_enterprise_manager_base_platform 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 Enterprise Manager Base Platform is a comprehensive IT infrastructure management product used to monitor, manage, and automate Oracle and third-party environments. The vulnerability resides in the Enterprise Manager Install component, suggesting an installer-phase or configuration-path weakness. The CVSS vector AV:L/AC:H indicates the flaw is locally exploitable only - requiring physical or logical access to the host where OEM Base Platform executes - and involves high attack complexity, implying race conditions, timing dependencies, or non-default but reachable environmental states. The Scope:Changed metric is significant: a successful attack against the installer component can extend impact to other Oracle products managed by or co-located with the OEM platform. CWE is not assigned, but the 'Authentication Bypass' tag suggests the install component may allow a low-privileged local user to bypass access controls that should require higher privilege. Affected CPE targets are Oracle Enterprise Manager Base Platform versions 13.5 and 24.1.

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Severity by source

Vendor (oracle) PRIMARY 5.6 MEDIUM
AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
vuln.today AI 5.6 MEDIUM

Local vector and low privileges confirmed by description; high complexity reflects difficult install-phase exploitation; scope change and high confidentiality impact align with OEM managing multiple downstream targets.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

DescriptionCVE.org

Vulnerability in the Oracle Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Enterprise Manager Install). Supported versions that are affected are 13.5 and 24.1. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Enterprise Manager Base Platform executes to compromise Oracle Enterprise Manager Base Platform. While the vulnerability is in Oracle Enterprise Manager Base Platform, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Enterprise Manager Base Platform accessible data. CVSS 3.1 Base Score 5.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.1%
Top 98% exploitable
Prevalence
Medium
widely used in Oracle enterprise environments, not ubiquitous
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 0.1%
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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