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CVE Record

CVE-2021-38954: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5 and 6.1.0.0 through 6.1.1.0 could disc...

IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5 and 6.1.0.0 through 6.1.1.0 could disclose sensitive version information that could aid in future attacks against the system. IBM X-Force ID: 211414.

MediumCVSS 4.3Not 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 can expose sensitive version information in affected releases. This is not described as direct data theft or system takeover, but it can help an attacker profile the system and plan more targeted follow-on attacks.

Executive priority

Handle through normal vulnerability management with moderate priority. It is useful attacker reconnaissance, especially for externally reachable B2B integration systems, but the cited evidence does not indicate active exploitation or direct high-impact compromise.

Technical view

CVE-2021-38954 affects IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5 and 6.1.0.0 through 6.1.1.0. The CVSS 3.0 score is 4.3, with network access, low privileges, low complexity, no user interaction, and low confidentiality impact.

Likely exposure

Exposure is most relevant where affected Sterling B2B Integrator instances are reachable over a network and accessible to low-privileged users. The sources do not identify affected endpoints, deployment patterns, or whether internet-facing systems are more commonly exposed.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. IBM X-Force lists exploit maturity as unproven. Treat this as reconnaissance-enabling information disclosure rather than a standalone compromise path based on the cited evidence.

Researcher notes

No CWE is provided in the bundle. The CVSS vector indicates AV:N, AC:L, PR:L, UI:N, S:U, C:L, I:N, A:N, with confirmed reporting and official remediation listed. Endpoint specifics and exploit mechanics are not provided in the sources.

Mitigation direction

  • Inventory Sterling B2B Integrator Standard Edition instances and confirm exact versions.
  • Review IBM advisory 6599607 for vendor-approved fixes or mitigations.
  • Upgrade or remediate affected versions according to IBM guidance.
  • Limit network access to Sterling B2B Integrator management and application interfaces.
  • Review exposure of systems reachable by low-privileged users.

Validation and detection

  • Confirm no instance runs versions 6.0.0.0 through 6.0.3.5.
  • Confirm no instance runs versions 6.1.0.0 through 6.1.1.0.
  • Check whether affected systems are network-reachable from untrusted segments.
  • Verify IBM advisory remediation has been applied and documented.
  • Record compensating controls where immediate 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-2021-38954 mapping review

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

Vector: CVSS:3.0/A:N/UI:N/I:N/PR:L/AV:N/S:U/AC:L/C: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/A:N/UI:N/I:N/PR:L/AV:N/S:U/AC:L/C: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-2021-38954Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:N/UI:N/I:N/PR:L/AV:N/S:U/AC:L/C: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
IBMSterling B2B Integrator6.0.0.0, 6.1.0.0, 6.1.1.0, 6.0.3.5Listed
Weakness

CWE details

No CWE listed

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