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Mobile Field Service CVE-2026-101675

| EUVDEUVD-2026-106079 MEDIUM
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-jrx7-9fmx-8584
6.7
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
    Obtain high-privileged local logon to EBS host
  2. Exploit
    Access Mobile Field Service Internal Operations component
  3. Execution
    Exploit vulnerability (AC:L, no UI)
  4. Impact
    Achieve full product takeover (C/I/A)

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 the attacker to already possess HIGH-privileged logon (PR:H) to the infrastructure/host where Oracle Mobile Field Service executes, and access is LOCAL (AV:L) - there is no network-facing attack path. No user interaction is required (UI:N) and attack complexity is low (AC:L) once the privilege prerequisite is met. Affected deployments are Oracle Mobile Field Service versions 12.2.3 through 12.2.15 within Oracle E-Business Suite via the Internal Operations component. The key limiting factors for defenders: the need for pre-existing high privileges and local access confines realistic exploitation to insiders or attackers who have already compromised the host, and applying the October 2026 Oracle CPU remediates it.

Impact

This is a genuine but not top-tier priority. The CVSS 3.1 vector (AV:L/AC:L/PR:H/UI:N) confirms that exploitation requires LOCAL access plus HIGH privileges on the host where Oracle Mobile Field Service runs - the attacker must already have authenticated, high-privileged logon to the infrastructure, which sharply limits the pool of potential attackers to insiders or those who have already gained a strong foothold. The 6.7 (Medium) base score is held down by the PR:H and AV:L constraints despite full C:H/I:H/A:H impact (complete product takeover). No EPSS score, no CISA KEV listing, and no public POC were provided in the input, so there is no public exploit identified at time of analysis and no evidence of active exploitation. The vendor's own description calling it 'easily exploitable' refers only to attack complexity (AC:L) once the privilege prerequisite is met - it does NOT mean low-privilege or remote. Signals are consistent (no conflict between CVSS, EPSS, KEV, and description): all point to a high-impact-but-high-barrier flaw. Realistic risk is driven by post-compromise privilege escalation / insider-threat scenarios rather than mass internet exploitation.

Exploit ScenarioDerived

An attacker who already holds high-privileged local logon to the server running Oracle Mobile Field Service (e.g., a malicious insider or an actor who has pivoted onto the EBS host) leverages the Internal Operations component flaw to fully compromise the Mobile Field Service product. Because attack complexity is low (AC:L) and no user interaction is needed, exploitation is straightforward once the privilege prerequisite is satisfied. No public exploit code was identified in the provided data.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Local service takeover in Oracle Mobile Field Service (Oracle E-Business Suite) versions 12.2.3 through 12.2.15 allows an attacker who already holds high-privileged logon to the host infrastructure to compromise the service, with high confidentiality, integrity, and availability impact. Exploitation requires local access and pre-existing high privileges, which confines realistic risk to insiders or attackers who have already compromised the host; no public exploit identified at time of analysis. The October 2026 Oracle Critical Patch Update remediates the flaw.

RemediationAI

Patch available per vendor advisory: apply the October 2026 Oracle Critical Patch Update (CPU) for Oracle E-Business Suite, which remediates CVE-2026-101675 according to https://www.oracle.com/security-alerts/cpuoct2026.html. Confirm the exact patched build or release in My Oracle Support and the CPU documentation before deployment, since the supplied data does not specify a numeric fix version beyond the CPU. Until patching is complete, restrict local logon and high-privileged access to hosts running Oracle Mobile Field Service, enforce least privilege, and monitor privileged-user activity for signs of service takeover; these controls limit exposure to insider or post-compromise abuse but do not eliminate the vulnerability.

Affected VersionsENISA

Oracle Mobile Field Service 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_mobile_field_service 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 Mobile Field Service is a module within Oracle E-Business Suite, an enterprise resource planning (ERP) application suite; the flaw resides in the Internal Operations component of the module. The CVSS 3.1 vector (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) shows the attack path is local (AV:L), requires high privileges (PR:H), needs no user interaction (UI:N), and has low complexity (AC:L) once the prerequisite is met, with unchanged scope and high impact to confidentiality, integrity, and availability. No CWE identifier was supplied, so the root-cause weakness class cannot be mapped from the available data; the practical effect is full takeover of the affected Mobile Field Service deployment. The local-access and high-privilege prerequisites align with typical internally deployed Oracle E-Business Suite environments, where attackers would need prior foothold or insider access.

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Severity by source

Vendor (oracle) PRIMARY 6.7 MEDIUM
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 6.7 MEDIUM

Description confirms local logon with high privileges required, so AV:L and PR:H; low complexity and no UI, yielding full C/I/A takeover within an unchanged scope.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle Mobile Field Service product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Mobile Field Service executes to compromise Oracle Mobile Field Service. Successful attacks of this vulnerability can result in takeover of Oracle Mobile Field Service. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Threat Intelligence Overview

EPSS Score
0.2%
Top 94% exploitable
Prevalence
Medium
Specific EBS module; Oracle EBS widely used but Mobile Field Service 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 0.2%
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

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
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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