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CVE Record

CVE-2019-4253: IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local privileged Informix user to load a...

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local privileged Informix user to load a malicious shared library and gain root access privileges. IBM X-Force ID: 159941.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a local privilege escalation in IBM Informix Dynamic Server Enterprise Edition 12.1. A user who already has local Informix-related privileges could load a malicious shared library and gain root access. It is not described as remotely exploitable. Exposure is mainly on systems running IBM Informix Dynamic Server Enterprise Edition 12.1 where local users or Informix-privileged accounts exist. Internet exposure alone is not the key condition based on the sources. Treat as high priority where Informix 12.1 runs on critical servers or shared hosts. The business risk is full server compromise after a local foothold, not broad remote compromise from the network. Mitigation focus: Review IBM advisory guidance for the official fix or fixed level.; Prioritize remediation on shared, multi-user, or business-critical Informix hosts.; Restrict local shell access and Informix privileged account membership..

Prepared

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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ATT&CK lookup starting points

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CVE-2019-4253 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:L/A:H/I:H/C:H/PR:L/S:U/UI:N/AC:L/E:U/RL:O/RC:C

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
7.8CVSS 3.0HighCVSS:3.0/AV:L/A:H/I:H/C:H/PR:L/S:U/UI:N/AC:L/E:U/RL:O/RC:C1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.8High
CVSS 3.0 vector shape for CVE-2019-4253Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:L/A:H/I:H/C:H/PR:L/S:U/UI:N/AC:L/E:U/RL:O/RC:C

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
IBMInformix Dynamic Server Enterprise Edition12.1Listed
Weakness

CWE details

No CWE listed

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