Security readout for executives and security teams
Plain-English summary
CVE-2016-2192 affects PostgreSQL environments using PL/Java before 1.5.0. An authenticated remote database user could alter type mappings for database types they do not own, weakening ownership boundaries. Business urgency depends on whether PL/Java is installed and exposed to untrusted or lower-privileged users.
Executive priority
Treat as targeted remediation, not emergency response, unless PL/Java is exposed to many semi-trusted users. Prioritize internet-reachable or shared database environments first.
Technical view
The issue is an authorization flaw in PL/Java before 1.5.0. The CVE states authenticated remote users may alter type mappings for non-owned types. Public source data does not provide CVSS, CWE, detailed impact, or affected CPEs.
Likely exposure
Exposure is limited to PostgreSQL deployments with PL/Java installed at a version before 1.5.0. Risk is higher where untrusted database users can authenticate remotely.
Exploitation context
The source bundle does not indicate active exploitation, public weaponization, or CISA KEV listing. Exploitation requires authenticated database access according to the CVE description.
Researcher notes
Available public data is sparse. The core issue is improper enforcement of type ownership during PL/Java type mapping changes. No CVSS vector, CWE, exploit status, or vendor workaround beyond the fixed version boundary is provided in the bundle.
Mitigation direction
- Inventory PostgreSQL systems for PL/Java usage and version.
- Upgrade PL/Java to 1.5.0 or later where affected.
- Remove PL/Java where it is not operationally required.
- Restrict database authentication to trusted users until remediated.
- Check current PL/Java vendor guidance before production changes.
Validation and detection
- Confirm whether PL/Java is installed on each PostgreSQL instance.
- Verify the installed PL/Java version is 1.5.0 or later.
- Review database roles with remote authentication access.
- Check audit logs for unexpected type mapping changes if available.
- Document unaffected systems with evidence from inventory results.
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
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CVE-2016-2192 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://tada.github.io/pljava/releasenotes.htmlCVE 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.