Security readout for executives and security teams
Plain-English summary
This is a low-severity IBM i information disclosure issue. On IBM i 7.2, 7.3, and 7.4, a local user running complex SQL under specific circumstances could access sensitive information they should not see.
Executive priority
Handle through normal vulnerability management unless affected IBM i systems host sensitive data or many local users. The business risk is confidentiality leakage, but available evidence supports low urgency rather than emergency response.
Technical view
CVE-2020-4345 affects IBM i 7.2, 7.3, and 7.4. CVSS 3.0 is 2.9 with local attack vector, high attack complexity, no user interaction, limited confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is limited to organizations running affected IBM i releases where users can execute relevant local SQL workloads. The source bundle does not identify remote exposure or affected products beyond IBM i 7.2, 7.3, and 7.4.
Exploitation context
CISA KEV is false, and the provided CVSS data lists exploit maturity as unproven. The cited sources do not report active exploitation. Practical abuse appears constrained by local access and specific complex SQL circumstances.
Researcher notes
The public description is sparse and does not define the exact SQL conditions. Treat this as source-limited: validate affected versions and remediation state, but avoid assuming exploitability beyond local, complex SQL-based information disclosure.
Mitigation direction
- Check IBM's advisory for official remediation for your IBM i release.
- Apply IBM's official fix or update path where applicable.
- Restrict local IBM i access to trusted users only.
- Review database permissions for sensitive information access.
- Prioritize systems with many local or shared application users.
Validation and detection
- Inventory IBM i systems and confirm release versions.
- Confirm whether IBM's official remediation is installed.
- Identify users able to run SQL locally on affected systems.
- Review database access controls for sensitive datasets.
- Check available audit logs for unusual SQL access patterns.
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-2020-4345 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
- Low
- CVSS
- 2.9 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/UI:N/C:L/AV:L/AC:H/I:N/S:U/PR:N/A: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/UI:N/C:L/AV:L/AC:H/I:N/S:U/PR:N/A:N/RC:C/E:U/RL:O1.41.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
2.9LowVector: CVSS:3.0/UI:N/C:L/AV:L/AC:H/I:N/S:U/PR:N/A:N/RC:C/E:U/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6208661CVE reference · x_refsource_CONFIRM
- ibm-i-cve20204345-info-disc (178318)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.
