Incorrect authorization in IBM DB2 for Linux, UNIX and Windows
Priority MEDIUM 40CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.
Summary
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a user with DBADM authority to access other databases and read or modify files. IBM X-Force ID: 199914.
Why it matters now
EPSS 0.01127 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | DB2 for Linux, UNIX and Windows | 10.5; 10.1; 9.7; 11.1; 11.5 | — | No fix listed | CNA |
- DB2 for Linux, UNIX and Windows VendorIBM Affected 10.5; 10.1; 9.7; 11.1; 11.5 Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:db2:9.7:*:*:*:*:*:*:* | 9.7 | Vulnerable | IBM |
| cpe:2.3:a:ibm:db2:10.1:*:*:*:*:-:*:* | 10.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:db2:10.5:-:*:*:*:*:*:* | 10.5 | Vulnerable | IBM |
| cpe:2.3:a:ibm:db2:11.1:*:*:*:*:*:*:* | 11.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:db2:11.5:*:*:*:*:-:*:* | 11.5 | Vulnerable | IBM |
| cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hewlett Packard Enterprise |
| cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* | not specified by NVD | Running on | IBM |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:-:* | not specified by NVD | Running on | Oracle |
- cpe:2.3:a:ibm:db2:9.7:*:*:*:*:*:*:* Versions 9.7 Vulnerable ·IBM
- cpe:2.3:a:ibm:db2:10.1:*:*:*:*:-:*:* Versions 10.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:db2:10.5:-:*:*:*:*:*:* Versions 10.5 Vulnerable ·IBM
- cpe:2.3:a:ibm:db2:11.1:*:*:*:*:*:*:* Versions 11.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:db2:11.5:*:*:*:*:-:*:* Versions 11.5 Vulnerable ·IBM
- cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hewlett Packard Enterprise
- cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IBM
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:-:* Versions not specified by NVD Running on ·Oracle
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-29678
- 2026-10-03 Alias added: GHSA-qcxw-qqmj-c5fp
References
More IBM Db2 vulnerabilities
- TI-2007-02494 Multiple buffer overflows in the DB2 JDBC Applet Server (DB2JDS) service in IBM DB2 9.x… CVSS 2.0HIGH 10.0
- TI-2010-03546 Stack-based buffer overflow in the validateUser implementation in the… CVSS 2.0HIGH 10.0
- TI-2026-08862 IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling CVSS 3.1CRITICAL 9.8
- TI-2007-03566 IBM DB2 Universal Database (UDB) Administration Server (DAS) 8 before Fix Pack 16 and 9… CVSS 2.0HIGH 10.0
- TI-2008-06509 Buffer overflow in the DAS server in IBM DB2 8 before FP17, 9.1 before FP5, and 9.5… CVSS 2.0HIGH 10.0
- TI-2026-09068 IBM® Db2® is vulnerable to privilege escalation with a specially crafted query CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-29678 · CVE Program
- CVE-2021-29678 · NVD
- FIRST EPSS
- GHSA-qcxw-qqmj-c5fp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences