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CVE Record

CVE-2019-4151: IBM Security Access Manager 9.0.1 through 9.0.6 uses weaker than expected cryptographic algorithms that cou...

IBM Security Access Manager 9.0.1 through 9.0.6 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 158512.

MediumCVSS 5.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Security Access Manager versions 9.0.1 through 9.0.6 used weaker cryptography than expected. In the right conditions, an attacker could decrypt highly sensitive information. The issue is medium severity because exploitation is not shown as common or easy, but the data impact could be serious.

Executive priority

Treat this as a targeted remediation item, not an emergency. Prioritize if affected ISAM versions protect sensitive identity, access, or regulated data, because the main risk is confidentiality loss.

Technical view

CVE-2019-4151 is a confidentiality-only cryptographic weakness in IBM Security Access Manager 9.0.1-9.0.6. CVSS 3.0 is 5.9, with network attack vector, no privileges or user interaction, high attack complexity, and high confidentiality impact. IBM X-Force tracks it as ID 158512.

Likely exposure

Exposure is limited to environments running IBM Security Access Manager 9.0.1, 9.0.2, 9.0.3, 9.0.4, 9.0.5, or 9.0.6. Systems handling sensitive authentication or access-management data deserve priority review.

Exploitation context

The source bundle does not show active exploitation, and the CVE is not listed as KEV. The CVSS vector indicates remote, unauthenticated exploitation may be possible, but with high complexity and no integrity or availability impact.

Researcher notes

Public details are sparse. Use IBM and X-Force records as primary references. Do not assume exploit availability. Focus validation on version confirmation, affected cryptographic behavior, and whether official IBM remediation has been applied.

Mitigation direction

  • Identify all IBM Security Access Manager deployments and exact versions.
  • Review IBM advisory guidance for CVE-2019-4151 and apply the official remediation.
  • Move affected 9.0.1-9.0.6 deployments off vulnerable versions under vendor guidance.
  • Prioritize systems protecting highly sensitive authentication or access-management data.

Validation and detection

  • Confirm whether any deployed instance runs IBM Security Access Manager 9.0.1 through 9.0.6.
  • Check asset inventory, package records, and vendor console version details.
  • Verify remediation status against IBM advisory requirements.
  • Assess whether exposed deployments processed highly sensitive information during the affected period.
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-2019-4151 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
5.9 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:H/UI:N/PR:N/A:N/S:U/C:H/AV:N/I:N/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
5.9CVSS 3.0MediumCVSS:3.0/AC:H/UI:N/PR:N/A:N/S:U/C:H/AV:N/I:N/RC:C/E:U/RL:O2.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.9Medium
CVSS 3.0 vector shape for CVE-2019-4151Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AC:H/UI:N/PR:N/A:N/S:U/C:H/AV:N/I:N/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
IBMSecurity Access Manager9.0.1, 9.0.3, 9.0.4, 9.0.2, 9.0.5, 9.0.6Listed
Weakness

CWE details

No CWE listed

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