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CVE Record

CVE-2020-4446: IBM Business Process Manager 8.0, 8.5, and 8.6 and IBM Business Automation Workflow 18.0 and 19.0 could all...

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.

MediumCVSS 4.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-4446 is an authorization weakness in IBM workflow platforms. A remote user with low privileges could bypass security restrictions and gain limited unauthorized access. The available scoring indicates low confidentiality impact and no integrity or availability impact, but affected systems may hold sensitive process data.

Executive priority

Treat as a moderate-priority remediation item. It is not known exploited from the provided evidence, but affected workflow systems may contain business-sensitive data and should be updated through IBM guidance.

Technical view

IBM Business Process Manager Standard 8.0, 8.5, 8.6 and IBM Business Automation Workflow 18.0.0.0 and 19.0.0.1 are affected. The CVSS 3.0 vector is 4.3: network-accessible, low complexity, low privileges required, no user interaction, low confidentiality impact.

Likely exposure

Exposure is limited to organizations running the listed IBM BPM Standard or IBM Business Automation Workflow versions. Risk is higher where these systems are reachable by broad user populations or external authenticated users.

Exploitation context

The provided sources do not show active exploitation. CISA KEV is false, and the CVSS temporal vector lists exploit maturity as unproven. Do not assume exploitation without additional evidence.

Researcher notes

The public bundle does not include CWE mapping, affected endpoints, proof of concept, or detailed fix identifiers. Analysis should stay version-focused and source-grounded, using IBM advisory and X-Force ID 181126 for confirmation.

Mitigation direction

  • Identify affected IBM BPM Standard and Business Automation Workflow instances.
  • Review IBM advisory 6205805 for vendor-approved fixes or upgrade guidance.
  • Prioritize remediation for internet-accessible or broadly authenticated deployments.
  • Limit access to trusted users while remediation is planned.
  • Monitor workflow access logs for unusual authorization failures or access patterns.

Validation and detection

  • Confirm installed product and exact version against the affected version list.
  • Check whether IBM advisory remediation has been applied.
  • Review authentication and authorization logs for suspicious restricted-resource access.
  • Verify public exposure and user groups with access to workflow portals.
  • Document compensating access controls if remediation is delayed.
Prepared
Confidence
high
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2020-4446 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/I:N/AV:N/A:N/UI:N/PR:L/S:U/C:L/AC:L/RC:C/E:U/RL:O

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4.3CVSS 3.0MediumCVSS:3.0/I:N/AV:N/A:N/UI:N/PR:L/S:U/C:L/AC:L/RC:C/E:U/RL:O2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.3Medium
CVSS 3.0 vector shape for CVE-2020-4446Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/I:N/AV:N/A:N/UI:N/PR:L/S:U/C:L/AC:L/RC:C/E:U/RL:O

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMBusiness Process Manager Standard8.5.5, 8.5.7.CF201706, 8.5.7.CF201703, 8.5.7.CF201612, 8.5.7.CF201609, 8.5.7.CF201606, 8.5.7, 8.5.6.2, 8.5.6.1, 8.5.6, 8.6, 8.5.0.2, 8.5.0.1, 8.5, 8.0.1.3, 8.0.1.2, 8.0.1.1, 8.0.1, 8.0Listed
IBMBusiness Automation Workflow18.0.0.0, 19.0.0.1Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.