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Oracle Enterprise Manager EUVDEUVD-2026-46479

| CVE-2026-46990 HIGH
Improper Access Control (CWE-284)
2026-07-21 oracle GHSA-f8pc-2rq4-j7qc
7.3
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
    Reach OMS HTTP endpoint on network
  2. Delivery
    Send crafted request to Enterprise Config Management
  3. Exploit
    Bypass authentication check
  4. Execution
    Read and modify EM configuration data
  5. Impact
    Delete records or cause partial DoS

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 network HTTP access to the Oracle Enterprise Manager Base Platform OMS/console and specifically the Enterprise Config Management component, on affected versions 13.5 or 24.1. Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), no special conditions, credentials, or user interaction are needed - unauthenticated remote exploitation works against affected, network-reachable deployments. The primary limiting factor is reachability: OEM consoles are typically deployed on internal management networks, so exploitation depends on the attacker having a route to the OMS HTTP port; deployments that are network-segmented or not on 13.5/24.1 are not exposed. Impact is also inherently bounded to a subset of EM data plus partial DoS, not full compromise.

Impact

The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N is the most alarming signal: network reachable, low complexity, no privileges, and no user interaction, meaning any actor who can reach the OMS HTTP port can attempt exploitation. Impacts are limited (C:L/I:L/A:L, scope unchanged), so this is data tampering/partial disclosure and partial DoS, not full system compromise - which is why the score lands at 7.3 (High) rather than Critical. Countervailing signals: no EPSS score was provided, there is no POC in the supplied data, and the CVE is not in CISA KEV, so there is no evidence of active or automatable mass exploitation yet. Net: the exposure profile (unauthenticated, easy) makes it a genuine priority for any reachable EM deployment, but the bounded impact means it is data-integrity/availability risk rather than a full takeover - verify actual network exposure of the OMS before ranking it above Critical RCE issues.

Exploit ScenarioDerived

An attacker who can reach the Oracle Management Service over HTTP - for example from a compromised internal host or a poorly segmented network - sends crafted requests to the Enterprise Config Management component without any credentials. Because the flaw requires no authentication and low complexity, they read a subset of configuration data and then insert, modify, or delete other EM-accessible records or trigger a partial denial of service, undermining the integrity of configuration and compliance data. No public exploit code was identified at time of analysis, so an attacker would need to develop the request themselves.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 21, 2026

Unauthorized data access and partial denial of service in Oracle Enterprise Manager Base Platform (versions 13.5 and 24.1) allows a remote, unauthenticated attacker to reach the Enterprise Config Management component over HTTP and read, insert, update, or delete a subset of EM-accessible data. Oracle rates it CVSS 3.1 7.3 and describes it as 'easily exploitable' with no authentication or user interaction, so it is a high-priority patch for internet- or intranet-reachable EM consoles. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.

RemediationAI

Apply the Oracle July 2026 Critical Patch Update for Enterprise Manager as documented at https://www.oracle.com/security-alerts/cpujul2026.html (patch available per vendor advisory; no standalone fix version was published in the supplied data, so map your 13.5 or 24.1 release to the CPU-specified OMS system patch). Until patched, reduce exposure by restricting network access to the OMS HTTP/HTTPS console ports so only trusted administrative networks and jump hosts can reach it (place the console behind a VPN or IP allowlist), which limits the unauthenticated network vector at the cost of remote admin convenience; additionally front the console with a reverse proxy/WAF that filters requests to Enterprise Config Management endpoints, accepting the tuning overhead and potential for false positives. Do not expose the EM console directly to the internet.

Affected VersionsENISA

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

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) is Oracle's centralized management and monitoring platform for databases, middleware, and engineered systems; the Base Platform provides the OMS (Oracle Management Service) web tier and repository. The affected component, Enterprise Config Management, handles configuration collection, comparison, and compliance data for managed targets. The CPE cpe:2.3:a:oracle_corporation:oracle_enterprise_manager_base_platform confirms the OMS/Base Platform tier is the target rather than an agent or plugin. No CWE was assigned by NVD, but the profile - unauthenticated HTTP access producing limited read plus write/delete and partial DoS across a single security scope (S:U) - is consistent with a broken-access-control or improper-authorization flaw in an exposed HTTP endpoint rather than full code execution.

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Severity by source

Vendor (oracle) PRIMARY 7.3 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
vuln.today AI 7.3 HIGH

Unauthenticated network HTTP access with low complexity and no user interaction, but impacts are limited to a subset of data and partial DoS, giving C:L/I:L/A:L.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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
Low
Availability
Low

DescriptionCVE.org

Vulnerability in the Oracle Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Enterprise Config Management). Supported versions that are affected are 13.5 and 24.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Enterprise Manager Base Platform. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Enterprise Manager Base Platform accessible data as well as unauthorized read access to a subset of Oracle Enterprise Manager Base Platform accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Enterprise Manager Base Platform. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).

Executive ViewAI

Why It Matters

Oracle Enterprise Manager Base Platform versions 13.5 and 24.1 contains a high-severity vulnerability allowing unauthorized remote access to sensitive enterprise management data. Organizations with internet or intranet-exposed EM consoles face immediate risk of data compromise and potential disruptions to IT operations.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Restrict network access to Enterprise Manager Base Platform via firewall rules and network segmentation; disable Enterprise Config Management component if operationally feasible; implement comprehensive logging and monitoring for data access attempts; isolate affected systems from untrusted networks until vendor patch becomes available.

Threat Intelligence Overview

EPSS Score
0.2%
Top 86% exploitable
Prevalence
Medium
widely used Oracle DB management platform, but confined to Oracle shops
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 HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
High

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
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.

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

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