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CVE Record

CVE-2018-1974: IBM WebSphere 8.0.0.0 through 9.1.1 could allow an authenticated attacker to escalate their privileges when...

IBM WebSphere 8.0.0.0 through 9.1.1 could allow an authenticated attacker to escalate their privileges when using multiplexed channels. IBM X-Force ID: 153915.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2018-1974 is a high-severity IBM issue where a logged-in attacker could gain higher privileges when multiplexed channels are used. The provided data lists IBM MQ versions 8.0.0.0 through 9.1.1, while the title references WebSphere, so product naming should be confirmed against IBM guidance.

Executive priority

Treat this as a high-priority patch governance item for IBM messaging infrastructure, especially where business partners or many internal users have authenticated access. There is no provided evidence of active exploitation, but privilege escalation in middleware can create broad operational impact.

Technical view

The vulnerability is an authenticated network privilege escalation involving multiplexed channels. CVSS v3.0 is 7.5 with low privileges required, no user interaction, high complexity, unchanged scope, and high confidentiality and integrity impact. The record marks the issue confirmed and indicates an official remediation exists.

Likely exposure

Exposure is most likely in environments running the listed IBM MQ 8.0.x, 9.0.x, 9.1.0.x, or 9.1.1 versions and using multiplexed channels. Because source product wording conflicts, asset owners should verify exact affected IBM product and version mapping in IBM’s advisory.

Exploitation context

The supplied bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS exploit maturity value is unproven. Risk still matters because exploitation requires only authenticated access and can affect privileged access boundaries.

Researcher notes

Key uncertainty is product labeling: the CVE title mentions IBM WebSphere, while the affected list names IBM MQ. Do not broaden scope beyond the IBM advisory. Focus validation on version matching, multiplexed channel use, authenticated reachability, and whether IBM’s official remediation has been applied.

Mitigation direction

  • Review IBM advisory for affected product naming and fixed levels.
  • Apply IBM-provided fix packs or interim fixes for the exact deployed version.
  • Prioritize upgrades for internet-reachable or partner-accessible messaging environments.
  • Restrict access to affected channel services to trusted authenticated users.
  • Monitor IBM X-Force entry for updated remediation guidance.

Validation and detection

  • Inventory IBM MQ and related WebSphere deployments and record exact versions.
  • Identify whether multiplexed channels are configured or in use.
  • Compare deployed versions against the affected list in the CVE bundle.
  • Confirm remediation status against IBM advisory and X-Force ID 153915.
  • Review access controls for authenticated users who can reach channel services.
Prepared
Confidence
medium
Sources
4

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-2018-1974 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
High
CVSS
7.5 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/A:H/AC:H/AV:N/C:H/I:H/PR:L/S:U/UI:N/E:U/RC:C/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
7.5CVSS 3.0HighCVSS:3.0/A:H/AC:H/AV:N/C:H/I:H/PR:L/S:U/UI:N/E:U/RC:C/RL:O1.65.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.5High
CVSS 3.0 vector shape for CVE-2018-1974Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:H/AC:H/AV:N/C:H/I:H/PR:L/S:U/UI:N/E:U/RC:C/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
IBMMQ9.0.0.1, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5, 8.0.0.6, 8.0.0.7, 9.0.0.2, 8.0.0.8, 8.0.0.9, 9.0.0.3, 8.0.0.0, 8.0.0.10, 9.0.0.0, 9.0.0.4, 9.0.0.5, 9.1.0.0, 9.1.0.1, 9.1.1Listed
Weakness

CWE details

No CWE listed

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