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Oracle Applications DBA CVE-2026-101683

| EUVDEUVD-2026-106087 HIGH
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-j3gh-xx2v-9r66
7.0
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 low-privileged logon on EBS app tier
  2. Exploit
    Invoke vulnerable AD Utilities function
  3. Execution
    Escalate within Applications DBA context
  4. Impact
    Full takeover of Applications DBA

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 hold a low-privileged interactive logon on the infrastructure host where Applications DBA / AD Utilities executes (AV:L, PR:L) - it is NOT remotely or unauthenticated exploitable. The affected component is the AD Utilities feature of the Applications DBA product in Oracle E-Business Suite versions 12.2.3 through 12.2.15; environments outside this range or not running the AD Utilities tooling are not in scope. Limiting factors that reduce real-world risk: Oracle rates the attack as 'difficult to exploit' (AC:H), meaning success depends on specific conditions the attacker cannot fully control, and a pre-existing local account is mandatory, so the realistic threat is a malicious insider or post-foothold privilege escalation rather than external attack.

Impact

This is a genuinely high-severity but operationally gated issue rather than a drop-everything emergency. The CVSS 3.1 base score of 7.0 (HIGH) reflects total compromise of the Applications DBA component (C:H/I:H/A:H), but the vector tempers real-world risk substantially: AV:L means the attacker must already have local logon access to the infrastructure where Applications DBA executes, PR:L requires an existing low-privileged account, and AC:H indicates the attack is 'difficult to exploit' per Oracle's own wording, requiring conditions outside the attacker's control. There is no EPSS score, no CISA KEV listing, and no public POC in the provided data, so all three independent exploitation-likelihood signals are either absent or negative - the signals are consistent (not conflicting) in pointing toward low near-term exploitation probability. The dominant risk driver is therefore insider or post-compromise lateral movement: an attacker who has already gained a foothold on the EBS application tier could escalate to full control of the DBA tooling. Net assessment: a real priority for patching in Oracle EBS environments (especially internet-adjacent or multi-tenant deployments) but NOT a high-urgency, mass-exploitable network threat. Note the input 'Information Disclosure' tag understates impact - the CVSS vector and description describe full takeover (I:H/A:H), not mere disclosure.

Exploit ScenarioDerived

An attacker with a low-privileged local account on the Oracle E-Business Suite application tier (for example, a compromised functional user, a malicious insider, or a foothold obtained from a prior intrusion) abuses a flaw in the AD Utilities component of Applications DBA. Because the attack requires local logon and has high complexity, it is not remotely triggerable and would typically chain off an existing compromise. No public exploit code has been identified at time of analysis, so this would require original exploit development.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Local privilege escalation in Oracle Applications DBA (the AD Utilities component of Oracle E-Business Suite) affects versions 12.2.3 through 12.2.15 and lets a low-privileged user who already holds an interactive logon on the database/application tier host elevate to full control of the Applications DBA tooling, with high confidentiality, integrity and availability impact (CVSS 3.1 base 7.0). Exploitation is gated: the vector is AV:L/AC:H/PR:L/UI:N, so the attacker must first obtain a local account on the infrastructure where AD Utilities runs and must satisfy conditions Oracle describes as 'difficult to exploit', making this primarily an insider or post-compromise escalation risk rather than an external attack path. No public exploit code and no confirmed active exploitation were identified at time of analysis.

RemediationAI

Apply the fix from the Oracle Critical Patch Update - October 2026 (https://www.oracle.com/security-alerts/cpuoct2026.html); Oracle's CPU advisories for E-Business Suite bundle the AD Utilities patch with required prerequisite patches, so follow the advisory's patch list and README ordering rather than applying a single patch in isolation, and note that a full EBS patching cycle (including ADOP cutover and a maintenance window) is required, with the usual downtime and post-patch validation side effects. Because the vector requires an existing local low-privileged logon, high-value compensating controls while patching is pending are: restrict interactive shell access on the application and database tier hosts to a small named set of administrators (this removes the AV:L/PR:L entry condition entirely, at the cost of narrower operational flexibility); remove or lock unused OS accounts on those hosts and audit membership of the oracle/applmgr OS groups, since group membership is what gives practical reach to AD Utilities binaries; enable OS-level process accounting and auditd rules on the AD utilities directories and on the shared APPL_TOP filesystem to detect unexpected invocation by non-admin accounts; and tighten sudo/privilege delegation so that only designated administrators can execute adpatch, adadmin, AutoConfig and ADOP wrappers. These controls reduce blast radius but do not substitute for the CPU patch, and restrictive sudo policies can break scheduled concurrent-manager or patching automation if not tested first.

Affected VersionsENISA

Applications DBA 12.2.3 ≤12.2.15

Affected Packages

euvd applications_dba 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

Applications DBA (product code AD) is the administrative toolchain shipped with Oracle E-Business Suite - AD Utilities such as adpatch, adadmin, AutoConfig and the Online Patching (ADOP) drivers - that runs with the privileges of the APPL_TOP owner and frequently with SYSDBA-level database access. The vulnerability lives in that utilities layer and is a privilege/access-control weakness that permits a locally authenticated low-privileged user to subvert the tooling and take over the Applications DBA execution context. The published CVSS vector (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms the attacker needs local access and a low-privileged account, needs no user interaction, and that the attack is 'difficult' - success depends on environmental conditions the attacker cannot fully control. No CWE identifier was assigned by the CNA, so the root cause is best characterised from the vector and the AD Utilities context rather than a formal weakness class. Because AD Utilities operate at the boundary between the OS account, the EBS application tier and the database tier, compromise of that layer is effectively compromise of the whole E-Business Suite instance.

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Severity by source

Vendor (oracle) PRIMARY 7.0 HIGH
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 7.0 HIGH

Description states local logon required (AV:L), low-privileged account needed (PR:L), Oracle marks it difficult to exploit (AC:H); result is full Applications DBA takeover, so C/I/A all High.

3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:L/AC:H/AT:N/PR:L/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
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Vulnerability in the Applications DBA product of Oracle E-Business Suite (component: AD Utilities). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Applications DBA executes to compromise Applications DBA. Successful attacks of this vulnerability can result in takeover of Applications DBA. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

Oracle E-Business Suite's AD Utilities in versions 12.2.3 through 12.2.15 carry a high-severity local privilege-escalation risk that could give a low-privileged local user full control of DBA tooling on the database/application tier. Leadership should care because this tooling sits close to ERP administrative functions, so a successful insider or post-compromise escalation could disrupt availability and undermine data integrity. No public exploit identified at time of analysis, and no vendor-released patch identified at time of analysis.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; interim mitigations include restricting interactive logons on the database/application tier, enforcing least privilege and just-in-time privileged access, removing unnecessary local accounts, monitoring AD Utilities execution and privilege changes, and isolating affected hosts.

Threat Intelligence Overview

EPSS Score
0.1%
Top 98% exploitable
Prevalence
Medium
Oracle EBS is common enterprise ERP but requires licensed, large-scale deployment
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 0.1%
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact
High

Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +35
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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