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CVE-2018-1779: IBM API Connect 2018.1 through 2018.3.7 could allow an unauthenticated attacker to cause a denial of servic...

IBM API Connect 2018.1 through 2018.3.7 could allow an unauthenticated attacker to cause a denial of service due to not setting limits on JSON payload size. IBM X-Force ID: 148802.

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

IBM API Connect 2018.1 through 2018.3.7 can be made unavailable by an unauthenticated network attacker because JSON payload size was not limited. This is an availability issue, not a data theft or tampering issue based on the provided sources. Exposure is most likely where IBM API Connect 2018.1 through 2018.3.7 is reachable from untrusted networks, including internet-facing API management deployments. Treat as high priority where API Connect supports revenue, customer, or partner API traffic. The primary risk is outage, not confirmed compromise, but unauthenticated remote availability impact can create material business disruption. Mitigation focus: Check IBM advisory for fixed versions and vendor remediation guidance.; Inventory IBM API Connect deployments and identify versions 2018.1 through 2018.3.7.; Prioritize remediation for internet-facing or partner-facing API Connect environments..

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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

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CVE-2018-1779 mapping review

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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:L/AV:N/C:N/I:N/PR:N/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:L/AV:N/C:N/I:N/PR:N/S:U/UI:N/E:U/RC:C/RL:O3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.5High
CVSS 3.0 vector shape for CVE-2018-1779Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:H/AC:L/AV:N/C:N/I:N/PR:N/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
IBMAPI Connect2018.1, 2018.3.7Listed
Weakness

CWE details

No CWE listed

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