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Advanced Inbound Telephony CVE-2026-70722

| EUVDEUVD-2026-61677 HIGH
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-6294-jc36-pq3w
8.2
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 exposed Oracle EBS HTTPS endpoint
  2. Delivery
    Target Internal Operations component
  3. Exploit
    Send unauthenticated crafted HTTPS request
  4. Execution
    Exploit missing access control
  5. Persist
    Create, modify, or delete telephony data
  6. Impact
    Trigger partial denial of service

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

No special configuration is required - the CVSS vector (AV:N/AC:L/PR:N/UI:N) indicates remote unauthenticated exploitation against any network-accessible instance of Oracle Advanced Inbound Telephony running versions 12.2.3 through 12.2.15. The attack requires HTTPS network connectivity to the EBS application tier. Exploitation is limited by: the requirement that the Advanced Inbound Telephony module be licensed, deployed, and actively enabled within the EBS instance (not all EBS deployments include telephony components); and network reachability to the relevant application endpoints. Organizations that have not deployed the Advanced Inbound Telephony module within their EBS environment are not affected.

Impact

The CVSS 8.2 High score is substantiated by a permissive vector: network-accessible, low complexity, no privileges, no user interaction required - meaning exploitation is straightforward and automatable against any exposed instance. The integrity impact is rated High (arbitrary data creation, deletion, or modification) while availability is Low (partial DoS only) and confidentiality is absent. No EPSS score was provided in the intelligence data, which limits probabilistic exploitation forecasting. The vulnerability is not listed in the CISA KEV catalog, and no public proof-of-concept exploit has been identified, which moderates the immediate urgency somewhat. However, the trivially automatable nature of the attack (AC:L/PR:N/UI:N) means that any organization with Oracle E-Business Suite's telephony component internet-facing or reachable from an untrusted network segment faces meaningful real-world risk. The absence of confidentiality impact does limit data-exfiltration scenarios but does not reduce the risk of data sabotage or service disruption in telephony-dependent operations. No conflicting signals are present between the CVSS vector and the description.

Exploit ScenarioDerived

An unauthenticated attacker with HTTPS network access to an Oracle E-Business Suite instance crafts malicious requests targeting the Internal Operations component of Advanced Inbound Telephony, potentially manipulating call routing data, deleting telephony records, or disrupting service availability. No public proof-of-concept exploit has been identified, but the low attack complexity means exploitation requires no specialized tooling beyond standard HTTP tooling. Organizations with internet-exposed EBS deployments or flat internal networks are most at risk.

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

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AnalysisAIv1 – Aug 19, 2026

Unauthenticated remote exploitation of Oracle Advanced Inbound Telephony (versions 12.2.3-12.2.15) within Oracle E-Business Suite allows a network attacker to perform unauthorized creation, deletion, or modification of critical telephony data and cause a partial denial of service via HTTPS. The CVSS 3.1 base score of 8.2 reflects high integrity impact and low availability impact with no confidentiality exposure. No public exploit code or active exploitation (CISA KEV listing) has been identified at time of analysis.

RemediationAI

Apply Oracle's Critical Patch Update (CPU) for August 2026, available via the Oracle advisory at https://www.oracle.com/security-alerts/cspuaug2026.html. Oracle does not publish exact patched version numbers separately from the CPU; administrators should apply all patches listed for Oracle E-Business Suite 12.2 in that advisory cycle. An exact post-patch version number is not independently confirmable from the available intelligence data. As a compensating control prior to patching, restrict network access to the Oracle E-Business Suite HTTPS endpoints - particularly those serving the Advanced Inbound Telephony Internal Operations component - to trusted internal networks or VPN-authenticated users using perimeter firewall or load-balancer ACLs. This reduces the attack surface given the AV:N/PR:N vector but does not eliminate the vulnerability and may impact legitimate remote agent or supervisor workflows that depend on external access.

Affected VersionsENISA

Oracle Advanced Inbound Telephony 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_advanced_inbound_telephony 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 Advanced Inbound Telephony is a call-center and telephony management module within Oracle E-Business Suite (EBS), Oracle's flagship enterprise resource planning and CRM platform. The affected component is identified as 'Internal Operations,' exposed via HTTPS. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U) confirms the endpoint is network-reachable with no authentication barrier and trivial attack complexity. CWE is listed as N/A by the reporter, meaning Oracle has not disclosed the specific root cause class - the flaw could be improper access control, missing authentication for a critical function, or input validation failure in the telephony operations layer. Affected versions span 12.2.3 through 12.2.15 as confirmed by both Oracle and ENISA EUVD (EUVD-2026-61677).

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Severity by source

Vendor (oracle) PRIMARY 8.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
vuln.today AI 8.2 HIGH

Network-accessible unauthenticated attack via HTTPS with no user interaction; high integrity impact from unrestricted data manipulation, low availability from partial DoS, no confidentiality impact per description.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/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
None
Integrity
High
Availability
Low

DescriptionCVE.org

Vulnerability in the Oracle Advanced Inbound Telephony 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 unauthenticated attacker with network access via HTTPS to compromise Oracle Advanced Inbound Telephony. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Advanced Inbound Telephony accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Advanced Inbound Telephony. CVSS 3.1 Base Score 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L).

Executive ViewAI

Why It Matters

Oracle Advanced Inbound Telephony within E-Business Suite (versions 12.2.3-12.2.15) is vulnerable to unauthenticated remote attacks enabling unauthorized modification, deletion, or creation of critical telephony data and partial service denial. This threatens organizations' business communications infrastructure with no authentication barrier required for exploitation.

Business Impact: High
Compensating Controls

Network segmentation isolating the telephony module from untrusted networks; Web Application Firewall rules monitoring HTTPS traffic to the module for anomalous patterns; enhanced logging and alerting on all data creation, modification, and deletion events; role-based access controls restricting administrative access to telephony configurations; temporary disabling of non-critical telephony features to reduce attack surface; continuous monitoring of Oracle security advisories for patch availability.

Threat Intelligence Overview

EPSS Score
0.4%
Top 65% exploitable
Prevalence
Medium
enterprise ERP module, large organizations only
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 0.4%
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· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
High

Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +41
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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