What is the CVSS score of CVE-2023-21906?

CVE-2023-21906 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.6%.

Is there a patch available for CVE-2023-21906?

Yes, a patch is available for CVE-2023-21906. Update the affected software to the latest version immediately.

Banking Virtual Account Management CVE-2023-21906

MEDIUM

2023-04-18 secalert_us@oracle.com

Authentication Bypass Oracle Banking Virtual Account Management

6.1

CVSS 3.1 · Vendor: oracle

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Vulnerability Assessment

Impact	CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.6% exploitation probability (EPSS)

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AnalysisAI

Vulnerability in the Oracle Banking Virtual Account Management product of Oracle Financial Services Applications (component: SMS Module). Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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Technical ContextAI · show details

Vulnerability in the Oracle Banking Virtual Account Management product of Oracle Financial Services Applications (component: SMS Module). Supported versions that are affected are 14.5, 14.6 and 14.7. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Banking Virtual Account Management. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Banking Virtual Account Management accessible data as well as unauthorized access to critical data or complete access to all Oracle Banking Virtual Account Management accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N). Affected products include: Oracle Banking Virtual Account Management.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (oracle) PRIMARY 6.1 MEDIUM

AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

Primary rating from Vendor (oracle) · only source for this CVE.

CVSS VectorVendor: oracle

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

DescriptionCVE.org

Threat Intelligence Overview

EPSS Score

0.6%

Top 56% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

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 0.6%

Patch available Yes

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

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +30

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:oracle:banking_virtual_account_management:14.5:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_virtual_account_management:14.6:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_virtual_account_management:14.7:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://www.oracle.com/security-alerts/cpuapr2023.html

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GitHub PoC

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