Skip to main content

Oracle Unified Directory CVE-2026-60417

| EUVDEUVD-2026-46815 HIGH
Missing Authentication for Critical Function (CWE-306)
2026-07-21 secalert_us@oracle.com GHSA-6xqp-6gg8-5wx6
8.1
CVSS 3.1 · Vendor: oracle
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Reach OUD LDAP listener over network
  2. Delivery
    Send crafted LDAP request to OUD Core
  3. Exploit
    Satisfy high-complexity trigger conditions
  4. Execution
    Compromise directory server
  5. Impact
    Take over Oracle Unified Directory

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

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 access to the Oracle Unified Directory LDAP service (LDAP is the named attack vector) against affected versions 12.2.1.4.0 or 14.1.2.1.0, and no authentication or user interaction is needed (PR:N, UI:N). The key limiting factor is high attack complexity (AC:H): Oracle explicitly classes this as 'difficult to exploit,' meaning success depends on conditions the attacker cannot fully control (such as specific timing, state, or environmental factors), which meaningfully lowers realistic exploitability despite the unauthenticated network reach. Exposure is further limited to environments where the OUD LDAP/administration port is reachable by the attacker.

Impact

The CVSS 3.1 vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H produces an 8.1 (High), driven by network vector, no authentication, and total C/I/A impact - but tempered by AC:H, indicating Oracle considers the attack difficult and likely dependent on conditions outside the attacker's control (timing, configuration, or race/state). No EPSS score, SSVC decision, or KEV entry was provided, and no public exploit was identified, so the real-world signal is weaker than the base score alone suggests. The high impact and unauthenticated network reach make this a legitimate patch priority for OUD operators, but the absence of exploitation evidence plus AC:H means it is not an emergency on par with a trivially exploitable RCE. Note a minor inconsistency to verify: the intelligence tag labels this 'Information Disclosure,' yet the CVSS asserts full Integrity and Availability impact and Oracle describes 'takeover' - treat the tag as incomplete and rely on the CVSS/description.

Exploit ScenarioDerived

An attacker with network reach to the OUD LDAP listener sends specially crafted LDAP traffic that triggers the OUD Core defect, and after satisfying the difficult-to-meet conditions Oracle notes (AC:H), gains full control of the directory server - reading and altering identity data and disrupting availability. No public exploit code has been identified, so this scenario currently requires original exploit development against the specific affected versions.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Jul 22, 2026

Complete takeover of Oracle Unified Directory (OUD Core) is possible when a remote, unauthenticated attacker exploits a flaw reachable over the LDAP protocol in Oracle Fusion Middleware versions 12.2.1.4.0 and 14.1.2.1.0, per Oracle's July 2026 Critical Patch Update. Oracle rates the attack complexity as high, and a successful attack yields full confidentiality, integrity, and availability compromise (CVSS 8.1). There is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV, so exploitation would currently be theoretical or targeted rather than commodity.

RemediationAI

Apply the fixes delivered in the Oracle Critical Patch Update of July 2026 (https://www.oracle.com/security-alerts/cpujul2026.html) for the affected Oracle Unified Directory 12.2.1.4.0 and 14.1.2.1.0 releases; the advisory is the source of the exact patch bundle for each version, and no standalone fixed build number was provided in this data, so consult the CPU matrix for the precise patch. Because exploitation occurs over LDAP, compensating controls until patching include restricting network access to the OUD LDAP/LDAPS and administration ports to trusted management hosts and application tiers via firewall or network ACLs (trade-off: may break legitimate directory clients if scoping is too narrow), placing OUD behind an LDAP proxy or bastion, and enforcing TLS with strict client controls. These network controls reduce exposure but do not remediate the underlying flaw, so patching remains the primary action.

Affected VersionsENISA

Oracle Unified Directory 14.1.2.1.0
Oracle Unified Directory 12.2.1.4.0

Affected Packages

euvd oracle_unified_directory 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 Unified Directory (OUD) is Oracle Fusion Middleware's enterprise LDAP directory server and storage/proxy/synchronization platform, commonly used as an identity data store backing authentication and authorization for enterprise applications. The affected component is OUD Core, and the exposed interface is the LDAP service (typically TCP 389/636 or the administration port). Oracle's disclosure does not assign a CWE (CWE: N/A) and provides no root-cause detail, but the combination of network-reachable LDAP, no privileges required, and full compromise is consistent with a protocol-parsing or authentication/authorization bypass class of defect in the LDAP request-handling path; the underlying weakness class cannot be confirmed from the available data.

Know when Unified Directory gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

Vendor (oracle) PRIMARY 8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 8.1 HIGH

Unauthenticated network LDAP reach gives AV:N/PR:N/UI:N; Oracle's 'difficult to exploit' supports AC:H; full server takeover justifies C:H/I:H/A:H with unchanged scope.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Unified Directory. Successful attacks of this vulnerability can result in takeover of Oracle Unified Directory. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

Oracle Unified Directory (OUD Core) in Fusion Middleware versions 12.2.1.4.0 and 14.1.2.1.0 is vulnerable to unauthenticated remote takeover via the LDAP protocol, with CVSS 8.1 severity. Any attacker can achieve complete compromise of confidentiality, integrity, and availability of the directory service-affecting user credentials, identity data, and system access-without requiring authentication. While attack complexity is high and no public exploit identified at time of analysis, the absence of a vendor patch creates sustained organizational risk requiring immediate compensating controls.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Implement network segmentation to restrict LDAP access to whitelisted internal systems only; deploy connection rate limiting and anomaly detection on LDAP traffic; enable detailed audit logging with real-time alerting for suspicious activity; enforce mutual TLS (LDAPS) where supported; consider deploying a LDAP proxy with additional access controls; establish an incident response plan for directory compromise scenarios; and maintain offline backups of critical directory data protected from network access.

Threat Intelligence Overview

EPSS Score
0.4%
Top 70% exploitable
Prevalence
Medium
enterprise LDAP directory server, moderate but non-ubiquitous Oracle Fusion Middleware adoption
Data Quality
5 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 0.4%
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +40
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.

CVE-2026-60360 CRITICAL
10.0 Jul 21

Complete takeover of Oracle Unified Directory (OUD) is possible when an unauthenticated remote attacker sends crafted tr

CVE-2026-60361 CRITICAL
9.9 Jul 21

Privilege escalation to full takeover in Oracle Unified Directory (OUD Core) 12.2.1.4.0 and 14.1.2.1.0 lets a low-privil

CVE-2026-60429 CRITICAL
9.9 Jul 21

Full takeover of Oracle Unified Directory is possible in the OUD Core component of Oracle Fusion Middleware versions 12.

CVE-2026-60422 CRITICAL
9.9 Jul 21

Privilege escalation and data compromise in Oracle Unified Directory 14.1.2.1.0 (OUD Core) lets a low-privileged, authen

CVE-2026-60362 CRITICAL
9.8 Jul 21

Complete takeover of Oracle Unified Directory (OUD Core) is achievable by an unauthenticated, network-based attacker com

CVE-2026-60424 CRITICAL
9.0 Jul 21

Full compromise of Oracle Unified Directory is possible in the OUD Core component of Oracle Fusion Middleware versions 1

CVE-2026-60430 HIGH
8.8 Jul 21

Full compromise of Oracle Unified Directory (OUD Core component of Oracle Fusion Middleware) is possible when a low-priv

CVE-2026-60423 HIGH
8.8 Jul 21

Full compromise of Oracle Unified Directory (OUD Core) is possible when a low-privileged attacker with network access se

CVE-2026-60419 HIGH
8.8 Jul 21

Takeover of Oracle Unified Directory is possible in the OUD Core component of Oracle Fusion Middleware versions 12.2.1.4

CVE-2026-60437 HIGH
8.7 Jul 21

Data tampering and denial-of-service in Oracle Unified Directory (OUD Core component) let a high-privileged, network-adj

CVE-2026-60427 HIGH
8.7 Jul 21

Scope-changing compromise of Oracle Unified Directory (OUD Core) 12.2.1.4.0 and 14.1.2.1.0 lets a remote, unauthenticate

CVE-2026-60359 HIGH
8.6 Jul 21

Unauthorized data access in Oracle Unified Directory (OUD Core) 12.2.1.4.0 and 14.1.2.1.0 lets a remote unauthenticated

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy