Security readout for executives and security teams
Plain-English summary
IBM Db2 JDBC Driver versions for Db2 LUW 10.5, 11.1, and 11.5 can let a remote authenticated attacker run code through a JNDI injection weakness. This is not listed in CISA KEV, so the public bundle does not establish active exploitation.
Executive priority
Prioritize remediation for externally reachable, partner-accessible, or shared application environments using affected Db2 JDBC drivers. The issue enables code execution, but requires authentication and has no active-exploitation evidence in the supplied sources.
Technical view
CVE-2023-27867 is CWE-94 in IBM Db2 JDBC Driver for Db2 for Linux, UNIX and Windows. The source describes remote authenticated arbitrary code execution via JNDI injection involving the client reroute JNDI name property. CVSS v3.1 is 6.3 with low complexity and low privileges required.
Likely exposure
Exposure is most likely where applications use affected IBM Db2 JDBC Driver versions 10.5, 11.1, or 11.5 and allow authenticated remote database interaction. Systems without those driver versions are not indicated as affected in the bundle.
Exploitation context
The bundle says exploitation requires authentication and a specially crafted request. It does not cite public exploitation, exploit maturity, ransomware use, or KEV inclusion. Treat internet-facing or broadly accessible authenticated Db2 application paths as higher priority.
Researcher notes
Do not assume all Db2 deployments are affected; the bundle names the JDBC Driver for Db2 LUW 10.5, 11.1, and 11.5. Evidence is insufficient to name fixed versions or exploit availability without consulting the linked IBM advisory.
Mitigation direction
- Review IBM advisory 7010029 for supported fixes and exact upgrade guidance.
- Update affected Db2 JDBC Driver deployments according to IBM guidance.
- Restrict Db2 and application access to trusted authenticated users only.
- Review NetApp advisory if NetApp products include or depend on affected Db2 components.
- Monitor vendor advisories for revised affected-version or workaround information.
Validation and detection
- Inventory applications and servers using IBM Db2 JDBC Driver.
- Confirm whether deployed driver versions map to Db2 LUW 10.5, 11.1, or 11.5.
- Check fix levels against IBM advisory 7010029.
- Review configurations for JNDI-related client reroute usage.
- Validate access controls for authenticated remote database paths.
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-2023-27867 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/249514CVE 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.