Security readout for executives and security teams
Plain-English summary
CVE-2023-27868 affects IBM Db2 JDBC Driver for Db2 on Linux, UNIX, and Windows. An authenticated remote user may be able to run arbitrary code by abusing unchecked plugin class instantiation. It is not listed in CISA KEV, and the provided sources do not show active exploitation.
Executive priority
Treat this as a moderate-priority remediation for Db2 environments. It requires authentication, which reduces urgency versus internet-scale unauthenticated flaws, but code execution against database-connected systems can still affect sensitive operations.
Technical view
The issue is CWE-94 code injection in Db2 JDBC Driver handling of pluginClassName plugin classes. A low-privileged authenticated attacker can send a crafted request that triggers unchecked class instantiation and arbitrary code execution. CVSS 3.1 is 6.3: network, low complexity, low privileges, no user interaction, low CIA impact.
Likely exposure
Exposure is most likely where applications use IBM Db2 JDBC Driver with Db2 for Linux, UNIX and Windows 10.5, 11.1, or 11.5 and allow authenticated users to influence plugin class configuration or connection behavior.
Exploitation context
The sources support remote authenticated exploitation potential, not unauthenticated exploitation. There is no KEV listing and no cited evidence of exploitation in the wild in the provided bundle. Practical risk depends on who can authenticate and whether plugin class inputs are reachable.
Researcher notes
Key constraints are authenticated access and plugin class handling. The bundle does not name a public exploit, KEV status, or exact fixed build. Validate exposure through version inventory and configuration review rather than attempting exploitation.
Mitigation direction
- Review IBM advisory 7010029 for official fixed versions or remediation guidance.
- Inventory and update affected IBM Db2 JDBC drivers following vendor guidance.
- Restrict Db2 access to trusted authenticated users and required application accounts.
- Check the NetApp advisory if NetApp products consume the affected IBM component.
- Monitor authentication and application logs for unusual Db2 connection behavior.
Validation and detection
- Identify applications and services using IBM Db2 JDBC Driver.
- Confirm whether Db2 for LUW 10.5, 11.1, or 11.5 drivers are present.
- Compare installed driver builds against IBM advisory guidance.
- Review whether pluginClassName or plugin class settings are user-controllable.
- Document compensating controls where vendor-fixed drivers cannot be immediately deployed.
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.
CWE-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-27868 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
- 6.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.83.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/7010029CVE reference · vendor-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/249516CVE reference · vdb-entry
- https://security.netapp.com/advisory/ntap-20230803-0006/CVE reference
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.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.