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TI-2020-04024 Aliases CVE-2020-4739GHSA-gq98-m2mr-9mrv

Untrusted search path in IBM DB2 for Linux, UNIX and Windows

Priority LOW 34CWE-426Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-426.

Summary

IBM DB2 Accessories Suite for Linux, UNIX, and Windows, DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local authenticated attacker to execute arbitrary code on the system, caused by DLL search order hijacking vulnerability in Microsoft Windows client. By placing a specially crafted file in a compromised folder, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 188149.

Why it matters now

EPSS 0.00469 40th 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

VendorProductAffected versionsFixed inStatusSource
IBMDB2 for Linux, UNIX and Windows10.5; 10.1; 9.7; 11.1; 11.5—No fix listedCNA
  • 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 · 6

CPEVersionsRoleVendor
cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*11.5 to before 11.5.5.0VulnerableIBM
cpe:2.3:a:ibm:db2:9.7.0.0:*:*:*:*:*:*:*9.7.0.0VulnerableIBM
cpe:2.3:a:ibm:db2:10.1.0.0:*:*:*:*:*:*:*10.1.0.0VulnerableIBM
cpe:2.3:a:ibm:db2:10.5.0.0:*:*:*:*:*:*:*10.5.0.0VulnerableIBM
cpe:2.3:a:ibm:db2:11.1.0.0:*:*:*:*:*:*:*11.1.0.0VulnerableIBM
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:* Versions 11.5 to before 11.5.5.0 Vulnerable ·IBM
  • cpe:2.3:a:ibm:db2:9.7.0.0:*:*:*:*:*:*:* Versions 9.7.0.0 Vulnerable ·IBM
  • cpe:2.3:a:ibm:db2:10.1.0.0:*:*:*:*:*:*:* Versions 10.1.0.0 Vulnerable ·IBM
  • cpe:2.3:a:ibm:db2:10.5.0.0:*:*:*:*:*:*:* Versions 10.5.0.0 Vulnerable ·IBM
  • cpe:2.3:a:ibm:db2:11.1.0.0:*:*:*:*:*:*:* Versions 11.1.0.0 Vulnerable ·IBM
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-4739
  2. 2026-10-03 Alias added: GHSA-gq98-m2mr-9mrv

References

Patch 1

  • 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
See all 350 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences