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Elastic Charging Engine EUVDEUVD-2026-106194

| CVE-2026-101793 MEDIUM
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-8jcx-x45r-47vw
5.5
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 to ECE host
  2. Exploit
    Access vulnerable Core component locally
  3. Impact
    Read unauthorized critical charging data

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 a low-privileged logon to the infrastructure/host where Oracle Communications BRM - Elastic Charging Engine executes (AV:L, PR:L) - this is not remotely reachable and not unauthenticated. No user interaction is needed (UI:N) and attack complexity is low (AC:L), so once local authenticated access exists, exploitation is straightforward. Limiting factors: the requirement for existing local accounts and credentials on the ECE host confines the threat to insiders or attackers who have already established a foothold, and only the four listed 15.x versions are affected. Impact is confined to confidentiality (C:H; I:N/A:N) - unauthorized read access to ECE-accessible data, with no integrity or availability impact.

Impact

This is a moderate-severity confidentiality issue, not a top-tier priority. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, base 5.5) tells a consistent story: exploitation requires LOCAL access (the attacker must already have a logon to the infrastructure where ECE runs) and at least low-level privileges, which caps the real-world severity despite the HIGH confidentiality impact. No EPSS score was provided, the CVE is not listed in CISA KEV, and no public POC was supplied, so there is no public exploit identified at time of analysis. The signals do not conflict - they uniformly point to a low-to-moderate, insider/foothold-dependent risk rather than a wormable or internet-facing threat. The main caveat is a metadata conflict: the input Tags include 'Authentication Bypass,' which contradicts the vector's PR:L (exploitation requires an authenticated low-privileged logon, not a bypass) and the description's own wording - verify the vulnerability class with Oracle's advisory, as the tag appears mislabeled. Overall: a real but not urgent issue for organizations running the affected ECE 15.x versions, best prioritized where untrusted or semi-trusted users have local access to the charging infrastructure.

Exploit ScenarioDerived

An attacker who already holds a low-privileged local account on the server hosting Oracle Communications BRM - Elastic Charging Engine abuses the flaw in the Core component to read data they should not be able to access. Because the attack vector is local and requires existing logon and privileges, the realistic actor is a malicious insider or an adversary who has already gained a foothold on the host. No public exploit code is known at time of analysis.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Local information disclosure in Oracle Communications BRM - Elastic Charging Engine 15.0.0.0.0, 15.0.1.0.0.0, 15.1.0.0.0, and 15.2.0.0.0 lets an authenticated low-privileged user who can log on to the ECE host read critical data accessible to the product. The CVSS 3.1 vector is AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, so exploitation requires existing local access, is straightforward once that access exists, and affects confidentiality only. No public exploit identified at time of analysis.

RemediationAI

Patch available per vendor advisory: apply the Oracle Communications BRM - Elastic Charging Engine fix from Oracle's October 2026 Critical Patch Update at https://www.oracle.com/security-alerts/cpuoct2026.html; the input identifies a vendor advisory but does not specify an exact patched version, so confirm the fixed 15.x release in Oracle's CPU documentation before deployment. Until patched, reduce exposure by restricting interactive logon to ECE hosts to trusted administrators, removing unnecessary local accounts, enforcing least privilege on ECE service and data directories, and auditing local account use; these controls lower insider and post-compromise risk but do not remove the underlying flaw and can complicate operational support if host access is tightly limited.

Affected VersionsENISA

Oracle Communications BRM - Elastic Charging Engine 15.2.0.0.0
Oracle Communications BRM - Elastic Charging Engine 15.1.0.0.0
Oracle Communications BRM - Elastic Charging Engine 15.0.1.0.0
Oracle Communications BRM - Elastic Charging Engine 15.0.0.0.0

Affected Packages

euvd oracle_communications_brm_elastic_charging_engine 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 Communications BRM - Elastic Charging Engine is the real-time charging component in Oracle Communications Billing and Revenue Management. The disclosed issue is a local access-control and data-exposure weakness affecting four 15.x releases; Oracle assigns no CWE, so the precise coding defect is not public. The assessed vector shows the attacker must already have a low-privileged logon on the infrastructure hosting ECE (AV:L, PR:L), needs no user interaction, and can then obtain high-confidentiality read access to ECE-accessible data without integrity or availability impact. The Authentication Bypass tag is consistent with a control weakness that lets a local user reach data beyond their intended permissions, but the CVSS vector makes clear this is not remote or unauthenticated exploitation. CPE data was not supplied, so the affected products are identified by the four Oracle version strings.

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Severity by source

Vendor (oracle) PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 5.5 MEDIUM

Description states local logon with low privileges and no user interaction, yielding AV:L/PR:L/AC:L/UI:N; impact is read-only data disclosure so C:H, I:N, A:N.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle Communications BRM - Elastic Charging Engine product of Oracle Communications (component: Core). Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and 15.2.0.0.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Communications BRM - Elastic Charging Engine executes to compromise Oracle Communications BRM - Elastic Charging Engine. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Communications BRM - Elastic Charging Engine accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.1%
Top 97% exploitable
Prevalence
Low
niche telecom billing/charging software, specialized carrier deployments 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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
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

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0
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