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CVE Record

CVE-2020-4671: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.2 and 5.2.0.0 through 5.2.6.5 stores pot...

IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.2 and 5.2.0.0 through 5.2.6.5 stores potentially sensitive information in log files that could be read by an authenticatedl user. IBM X-Force ID: 186284.

MediumCVSS 6.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Sterling B2B Integrator Standard Edition may write sensitive information into log files. An authenticated user could read those logs and gain confidential data. The issue is not listed as known exploited in CISA KEV, but it has high confidentiality impact for affected deployments.

Executive priority

Treat this as a confidentiality issue requiring planned remediation. It is not currently evidenced as exploited, but exposed logs can leak sensitive business or integration data. Prioritize affected internet-adjacent or broadly accessible environments first.

Technical view

CVE-2020-4671 affects IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.2 and 5.2.0.0 through 5.2.6.5. The weakness is sensitive information exposure through log files readable by an authenticated user. CVSS 3.0 is 6.5 with network attack vector, low complexity, low privileges, and high confidentiality impact.

Likely exposure

Exposure is likely limited to organizations running the listed IBM Sterling B2B Integrator Standard Edition versions where authenticated users can access affected log data. Systems with broad internal user access or shared operational accounts have higher practical risk.

Exploitation context

The provided sources do not show active exploitation, and the CVE is not marked KEV. The CVSS vector indicates exploitation was considered unproven in the source data. Abuse requires authenticated access, but no user interaction or high complexity is indicated.

Researcher notes

The source bundle does not name a CWE or detailed patch version. Analysis should stay anchored to IBM’s advisory and X-Force entry. Validate exposure through version inventory, role-based log access review, and evidence of sensitive data appearing in logs.

Mitigation direction

  • Identify all IBM Sterling B2B Integrator Standard Edition instances and versions.
  • Review IBM advisory guidance for fixed versions or vendor-supported remediation.
  • Restrict log access to users with a clear operational need.
  • Rotate credentials or secrets if logs exposed sensitive values.
  • Reduce unnecessary sensitive logging where vendor configuration supports it.

Validation and detection

  • Confirm whether any instance runs an affected version range.
  • Review log permissions for authenticated user access paths.
  • Sample recent logs for sensitive data exposure without broad disclosure.
  • Verify remediation against IBM guidance after changes.
  • Check audit records for unusual log access by authenticated accounts.
Prepared
Confidence
medium
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-2020-4671 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.0)
Known Exploited
No
Published

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

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
6.5CVSS 3.0MediumCVSS:3.0/AV:N/S:U/UI:N/AC:L/A:N/PR:L/I:N/C:H/RC:C/RL:O/E:U2.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.5Medium
CVSS 3.0 vector shape for CVE-2020-4671Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
IBMSterling B2B Integrator6.0.0.0, 5.2.0.0, 5.2.6.5, 6.0.3.2Listed
Weakness

CWE details

No CWE listed

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