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..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-2019-4253 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- 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
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.
CVSS vector scores
1 official scoreWe 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.
CVSS: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 scoreVulnerability scoring details
Base CVSS 3.0 score
7.8HighVector: 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
Source materials
- CVE List V5 sourceCVE List V5
- ibm-informix-cve20194253-priv-escalation (159941)CVE reference · vdb-entry, x_refsource_XF
- https://security.netapp.com/advisory/ntap-20190903-0002/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
