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Oracle Enterprise Manager CVE-2026-46984

| EUVDEUVD-2026-46473 MEDIUM
Improper Access Control (CWE-284)
2026-07-21 oracle GHSA-8c4f-j997-75rw
5.3
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
    Identify internet-facing OEM Agent Next Gen HTTPS endpoint
  2. Delivery
    Send unauthenticated HTTPS request to exposed data endpoint
  3. Exploit
    Authentication bypass accepted by vulnerable component
  4. Execution
    Receive partial OEM platform data in response
  5. Impact
    Enumerate monitored targets or configuration details

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

Network access via HTTPS to the Oracle Enterprise Manager Agent Next Gen component on affected versions (13.5 or 24.1) is required. No authentication, no user interaction, and no special configuration are required beyond reachability of the affected endpoint - the CVSS vector AV:N/AC:L/PR:N/UI:N confirms this. Exploitation is limited by network accessibility: in typical enterprise deployments, OEM agents communicate only with the OEM management server on internal networks, substantially reducing exposure to external attackers. The impact is further bounded to read access of a subset of platform data - there is no write, delete, or code execution capability indicated. Non-Oracle database environments running OEM are equally affected regardless of underlying database version.

Impact

The CVSS 3.1 score of 5.3 (Medium) is consistent with the limited impact profile: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. The attack vector is network, complexity is low, and no privileges or user interaction are required - all signals pointing to trivially automatable exploitation. However, the scope is unchanged and impact is limited strictly to partial confidentiality loss; there is no integrity or availability impact. No EPSS score was provided in the intelligence data, so exploitation probability cannot be quantitatively compared. The vulnerability is not listed in CISA KEV, and no public exploit or POC is identified. The real-world risk is primarily one of data reconnaissance: an attacker can enumerate a subset of OEM platform data (potentially including monitored host names, agent configurations, or environment metadata) without authenticating. In environments where OEM agents are internet-facing - which is an atypical but not impossible deployment - this risk increases. In typical enterprise deployments where OEM infrastructure is restricted to internal or management networks, exposure is substantially reduced. The medium CVSS score accurately reflects the bounded impact, but the zero-barrier exploitation conditions mean this should be patched promptly rather than deprioritized on score alone.

Exploit ScenarioDerived

An unauthenticated attacker with HTTPS network access to an Oracle Enterprise Manager Agent Next Gen endpoint sends a crafted request to a data-exposing endpoint that should require authentication. Because the authentication check is missing or bypassable, the server returns a subset of OEM platform data - potentially including monitored target metadata, agent configuration details, or environment information - without requiring credentials. No public exploit code is known, but the low complexity and zero-authentication requirement mean this could be replicated through basic HTTP interaction with the agent endpoint.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 22, 2026

Unauthenticated information disclosure in Oracle Enterprise Manager Base Platform (versions 13.5 and 24.1) exposes a subset of platform data to remote attackers via HTTPS. The vulnerability resides in the Agent Next Gen component and is classified as an authentication bypass, enabling network-accessible exploitation without credentials or user interaction. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in the CISA KEV catalog; however, its low complexity and zero-authentication requirement make it straightforwardly exploitable by any internet-accessible instance.

RemediationAI

Apply the patches provided in the Oracle Critical Patch Update (CPU) for July 2026, available at https://www.oracle.com/security-alerts/cpujul2026.html. Oracle does not publicly disclose exact patched version numbers in CVE advisories; consult the CPU documentation and My Oracle Support (MOS) for the specific patch set identifiers for OEM Base Platform 13.5 and 24.1. As a compensating control pending patch application, restrict network access to the Agent Next Gen HTTPS endpoint using firewall rules or network segmentation so that only authorized OEM management servers and administrators can reach it - this directly limits the unauthenticated attacker's ability to reach the vulnerable endpoint. Do not expose OEM infrastructure (management server or agents) directly to untrusted networks. Note that network restriction does not fix the underlying authentication bypass and must be replaced by the vendor patch.

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 (OEM) Base Platform is Oracle's centralized IT management and monitoring solution used to administer Oracle databases, middleware, and cloud infrastructure. The affected component, Agent Next Gen, is the next-generation management agent responsible for collecting monitoring data and relaying it to the OEM management server. The vulnerability is tagged as an Authentication Bypass, meaning the Agent Next Gen component exposes data or an endpoint over HTTPS that should require authentication but does not enforce it. The CWE classification was not provided by the reporter; however, given the authentication bypass tag and the CVSS PR:N indicator, the root cause class is most consistent with CWE-306 (Missing Authentication for Critical Function) or CWE-284 (Improper Access Control). Affected versions are confirmed as 13.5 and 24.1 per both Oracle's advisory and EUVD-2026-46473.

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Severity by source

Vendor (oracle) PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI 5.3 MEDIUM

Network-reachable unauthenticated endpoint with no interaction needed; impact is confidentiality-only, partial, with no integrity or availability effect.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Agent Next Gen). Supported versions that are affected are 13.5 and 24.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Enterprise Manager Base Platform. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Enterprise Manager Base Platform accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.3%
Top 76% exploitable
Prevalence
Medium
common in Oracle Database enterprise environments, not universally deployed
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 0.3%
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
Yes
Human Impact· derived
Medium

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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