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CVE Record

CVE-2018-1730: IBM QRadar SIEM 7.2 and 7.3 is vulnerable to a XML External Entity Injection (XXE) attack when processing X...

IBM QRadar SIEM 7.2 and 7.3 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 147709.

HighCVSS 7.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

IBM QRadar SIEM 7.2 and 7.3 can mishandle XML input. An authenticated remote attacker could use this to expose sensitive information or exhaust memory. The business concern is high because QRadar commonly contains security telemetry and investigation data.

Executive priority

Treat this as a high-priority maintenance and exposure review item for affected QRadar deployments. It is not presented as actively exploited, but the potential confidentiality impact is significant for a security monitoring platform.

Technical view

CVE-2018-1730 is an XXE issue in IBM QRadar SIEM 7.2 and 7.3 when processing XML data. CVSS 3.0 is 7.1 with network attack vector, low complexity, low privileges, no user interaction, high confidentiality impact, and availability impact via memory consumption.

Likely exposure

Exposure is likely limited to IBM QRadar SIEM 7.2 or 7.3 systems that process XML data. The source bundle does not identify a specific module, endpoint, configuration, or fixed build.

Exploitation context

The bundle does not show CISA KEV listing or active exploitation evidence. CVSS indicates exploitation requires network access and low privileges, with no user interaction. Exploit maturity is listed as unproven in the provided vector.

Researcher notes

The source bundle names the vulnerability class and affected major versions but omits CWE mapping, specific attack surface, fixed versions, and detailed mitigations. Avoid assuming affected subcomponents beyond XML processing in QRadar SIEM 7.2 and 7.3.

Mitigation direction

  • Identify any IBM QRadar SIEM 7.2 or 7.3 deployments.
  • Review the IBM advisory for official fix pack or upgrade guidance.
  • Prioritize updates for internet-facing or broadly accessible QRadar systems.
  • Restrict QRadar access to trusted administrative networks where feasible.
  • Monitor QRadar resource use and XML-processing error patterns.

Validation and detection

  • Confirm deployed QRadar SIEM versions against the affected 7.2 and 7.3 range.
  • Check whether QRadar components ingest or process XML from remote users or integrations.
  • Verify the IBM-recommended fix or upgrade has been applied.
  • Review access controls for users and integrations that can submit XML data.
  • Check security logs for unusual XML parsing failures or memory pressure events.
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-2018-1730 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.1 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/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
7.1CVSS 3.0HighCVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O2.84.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.1High
CVSS 3.0 vector shape for CVE-2018-1730Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/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
IBMQRadar SIEM7.2, 7.3Listed
Weakness

CWE details

No CWE listed

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