Security readout for executives and security teams
Plain-English summary
IBM InfoSphere Information Server 11.5 and 11.7 can expose sensitive information through error messages. The immediate impact is limited disclosure, but leaked details could help an attacker plan later attacks against data integration infrastructure.
Executive priority
Prioritize during normal vulnerability maintenance unless the affected system is internet-facing, handles highly sensitive data, or supports critical business workflows. Escalate if broad access or suspicious activity is found.
Technical view
The issue is a network-accessible information disclosure vulnerability with low attack complexity, no user interaction, and low privileges required. CVSS v3.0 is 4.3 with confidentiality impact only. IBM X-Force tracks it as 159945.
Likely exposure
Exposure is limited to organizations running IBM InfoSphere Information Server 11.5 or 11.7, especially if authenticated interfaces are reachable over broad internal networks or the internet.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS temporal vector marks exploit maturity as unproven, so treat exploitation evidence as incomplete.
Researcher notes
No CWE is provided in the source bundle. Exact vulnerable components, endpoints, and fixed build numbers are not included here. Use IBM’s advisory and X-Force entry for authoritative remediation and product-specific detail.
Mitigation direction
- Identify any IBM InfoSphere Information Server 11.5 or 11.7 deployments.
- Review IBM advisory ibm10882478 for official remediation guidance.
- Apply vendor-supported fixes or upgrades where available.
- Restrict access to InfoSphere interfaces to trusted administrative networks.
- Review error handling and logging for sensitive information exposure.
Validation and detection
- Confirm installed InfoSphere Information Server versions and exposed interfaces.
- Verify whether IBM advisory remediation has been applied.
- Check that unauthorized or low-privileged error messages do not reveal sensitive details.
- Review logs for suspicious access patterns around error-producing requests.
Public sources used
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-4257 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
- Medium
- CVSS
- 4.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/I:N/C:L/UI:N/A:N/S:U/PR:L/AC:L/AV:N/RC:C/E:U/RL:O
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/I:N/C:L/UI:N/A:N/S:U/PR:L/AC:L/AV:N/RC:C/E:U/RL:O2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.3MediumVector: CVSS:3.0/I:N/C:L/UI:N/A:N/S:U/PR:L/AC:L/AV:N/RC:C/E:U/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/docview.wss?uid=ibm10882478CVE reference · x_refsource_CONFIRM
- ibm-infosphere-cve20194257-info-disc (159945)CVE reference · vdb-entry, x_refsource_XF
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.
