IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 10.5, 11.1, and 11.5…
Priority LOW 32Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 10.5, 11.1, and 11.5 could allow an authenticated attacker to send specially crafted commands to cause a denial of service. IBM X-Force ID: 174914.
Why it matters now
EPSS 0.01642 76th 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; 11.1; 11.5 | — | No fix listed | CNA |
- DB2 for Linux- UNIX and Windows VendorIBM Affected 10.5; 11.1; 11.5 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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: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: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: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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-4200
- 2026-10-03 Alias added: GHSA-768x-v9g3-hv4m
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-2020-4200 · CVE Program
- CVE-2020-4200 · NVD
- FIRST EPSS
- GHSA-768x-v9g3-hv4m · GitHub Advisory Database · CC BY 4.0
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