What is the CVSS score of CVE-2023-40691?

CVE-2023-40691 has a CVSS 3.1 base score of 4.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2023-40691?

Yes, a patch is available for CVE-2023-40691. Update the affected software to the latest version immediately.

Cloud Pak For Business Automation CVE-2023-40691

MEDIUM

Information Exposure (CWE-200)

2023-12-18 psirt@us.ibm.com

Information Disclosure IBM Cloud Pak For Business Automation

4.9

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-200 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V14 - Data Protection Data exposure prevention MITRE ATT&CK 2 techniques across 2 tactics: Collection, Discovery The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 4.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could access sensitive data that should not be disclosed by sending crafted requests to the affected application.

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

Patch available 0.7% exploitation probability (EPSS)

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AnalysisAI

IBM Cloud Pak for Business Automation 18.0.0, 18.0.1, 18.0.2, 19.0.1, 19.0.2, 19.0.3, 20.0.1, 20.0.2, 20.0.3, 21.0.1, 21.0.2, 21.0.3, 22.0.1, and 22.0.2 may reveal sensitive information contained in. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Affects your stack

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

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. IBM Cloud Pak for Business Automation 18.0.0, 18.0.1, 18.0.2, 19.0.1, 19.0.2, 19.0.3, 20.0.1, 20.0.2, 20.0.3, 21.0.1, 21.0.2, 21.0.3, 22.0.1, and 22.0.2 may reveal sensitive information contained in application configuration to developer and administrator users. IBM X-Force ID: 264805. Affected products include: Ibm Cloud Pak For Business Automation.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

Threat Intelligence Overview

EPSS Score

0.7%

Top 50% 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 0.7%

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: +24

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:ibm:cloud_pak_for_business_automation:18.0.0:*:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:18.0.2:*:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:19.0.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:19.0.3:*:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:20.0.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:20.0.3:*:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.1:-:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.1:interim_fix_001:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.1:interim_fix_002:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.1:interim_fix_003:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.1:interim_fix_004:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.1:interim_fix_005:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.1:interim_fix_006:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.1:interim_fix_007:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.1:interim_fix_008:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.3:-:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.3:interim_fix_001:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.3:interim_fix_002:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.3:interim_fix_003:*:*:*:*:*:*

cpe:2.3:a:ibm:cloud_pak_for_business_automation:21.0.3:interim_fix_004:*:*:*:*:*:*

+ 34 more

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References

Advisories & patches

PATCH https://www.ibm.com/support/pages/node/7096365 ADVISORY https://exchange.xforce.ibmcloud.com/vulnerabilities/264805

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