Business Process Manager
CVE-2020-4446
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could bypass authorization checks to access restricted resources by sending crafted requests to the affected application. |
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Alert meAnalysisAI
IBM Business Process Manager 8.0, 8.5, and 8.6 and IBM Business Automation Workflow 18.0 and 19.0 could allow a remote attacker to bypass security restrictions, caused by the failure to perform. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.
Affects your stack
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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 Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. IBM Business Process Manager 8.0, 8.5, and 8.6 and IBM Business Automation Workflow 18.0 and 19.0 could allow a remote attacker to bypass security restrictions, caused by the failure to perform insufficient authorization checks. IBM X-Force ID: 181126. Affected products include: Ibm Business Automation Workflow, Ibm Business Process Manager.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
IBM Business Process Manager 8.0, 8.5, and 8.6 and IBM Business Automation Workflow 18.0 and 19.0 could allow a remote attacker to bypass security restrictions, caused by the failure to perform insufficient authorization checks. IBM X-Force ID: 181126.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
More in Business Process Manager
View allThe REST API in IBM Business Process Manager (BPM) 7.5.x through 7.5.1.2, 8.0.x through 8.0.1.3, 8.5.0 through 8.5.0.1,
IBM Business Process Manager 7.5, 8.0, and 8.5 is vulnerable to privilege escalation by not properly distinguishing inte
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The import/export functionality in IBM Business Process Manager (BPM) 7.5.x through 7.5.1.2, 8.0.x through 8.0.1.3, and
IBM Business Process Manager 8.5.6 through 8.5.6.2 and 8.5.7 before 8.5.7.CF201606 allows remote authenticated users to
IBM Business Process Manager (aka BPM) 7.5.x, 8.0.x, and 8.5.x and WebSphere Lombardi Edition (aka WLE) 7.2.x allow remo
IBM Business Automation Workflow traditional 21.0.1 through 21.0.3, 20.0.0.1 through 20.0.0.2, 19.0.0.1 through 19.0.0.3
IBM Business Process Manager 8.5 and 8.6 and IBM Business Automation Workflow 18.0, 19.0, 20.0 and 21.0 could allow a pr
GitHub PoC
Exploit-DB