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CVE Record

CVE-2018-18591: MFSBGN03823 rev.1 - Micro Focus Service Manager, unauthorized disclosure of data

A potential unauthorized disclosure of data vulnerability has been identified in Micro Focus Service Manager versions: 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51. The vulnerability could be exploited to release unauthorized disclosure of data.

MediumCVSS 6.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This CVE affects Micro Focus Service Manager and may let an authorized user trigger unauthorized disclosure of data. The main business risk is confidentiality loss from an IT service management system that may contain operational, user, and incident information. The cited record does not show active exploitation.

Executive priority

Treat this as a moderate-priority confidentiality issue. Prioritize faster if Service Manager stores sensitive support, incident, customer, or infrastructure data, or if affected instances are broadly accessible. The available evidence does not support emergency treatment based on active exploitation.

Technical view

CVE-2018-18591 is an unauthorized data disclosure issue in Micro Focus Service Manager versions 9.30 through 9.51. CVSS 3.0 is 6.8: network-accessible, low attack complexity, low privileges required, user interaction required, changed scope, high confidentiality impact, no integrity or availability impact.

Likely exposure

Exposure is limited to organizations running the listed Micro Focus Service Manager versions: 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, or 9.51. Risk is higher where Service Manager is reachable by broad user populations or external networks.

Exploitation context

The source bundle does not identify active exploitation, public exploit availability, or inclusion in CISA KEV. The CVSS vector indicates exploitation requires network access, low privileges, and user interaction, with the security impact focused on confidential data exposure.

Researcher notes

Evidence is sparse: no CWE, root cause, exploit details, or fix version is provided in the bundle. Analysis should stay anchored to the CVSS vector and vendor advisory. Avoid assuming affected components beyond Micro Focus Service Manager versions explicitly listed.

Mitigation direction

  • Review Micro Focus advisory KM03286176 for vendor remediation guidance.
  • Inventory Service Manager deployments and confirm exact running versions.
  • Restrict Service Manager access to trusted users and networks where feasible.
  • Review user privileges and remove unnecessary access.
  • Monitor vendor support channels for version-specific fixes or upgrade paths.

Validation and detection

  • Confirm whether any Service Manager instance runs an affected version.
  • Check whether the instance is reachable from untrusted networks.
  • Review recent access logs for unusual authenticated user activity.
  • Verify vendor-recommended remediation has been applied, if available.
  • Confirm sensitive ticket or operational data access is appropriately restricted.
Prepared
Confidence
medium
Sources
3

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-2018-18591 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
6.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N

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
2Source 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
6.8CVSS 3.0MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N2.34Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.8Medium
CVSS 3.0 vector shape for CVE-2018-18591Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N

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
Micro FocusMicro Focus Service Manager9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51Listed
Weakness

CWE details

No CWE listed

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