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TI-2023-12270 Aliases CVE-2023-27558GHSA-xjj7-5xwp-h6p7

IBM Db2 privilege escalation

Priority LOW 38CWE-269Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-269.

Summary

IBM Db2 on Windows 10.5, 11.1, and 11.5 may be vulnerable to a privilege escalation caused by at least one installed service using an unquoted service path. A local attacker could exploit this vulnerability to gain elevated privileges by inserting an executable file in the path of the affected service. IBM X-Force ID: 249194.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00236 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMDb2 for Windows10.5, 11.1 ,11.5—No fix listedCNA
  • Db2 for Windows VendorIBM Affected 10.5, 11.1 ,11.5 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:ibm:db2:10.5.0.11:*:*:*:*:*:*:*10.5.0.11VulnerableIBM
cpe:2.3:a:ibm:db2:11.1.4.7:*:*:*:*:*:*:*11.1.4.7VulnerableIBM
cpe:2.3:a:ibm:db2:11.5:*:*:*:*:-:*:*11.5VulnerableIBM
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:ibm:db2:10.5.0.11:*:*:*:*:*:*:* Versions 10.5.0.11 Vulnerable ·IBM
  • cpe:2.3:a:ibm:db2:11.1.4.7:*:*:*:*:*:*:* Versions 11.1.4.7 Vulnerable ·IBM
  • cpe:2.3:a:ibm:db2:11.5:*:*:*:*:-:*:* Versions 11.5 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-2023-27558
  2. 2026-10-03 Alias added: GHSA-xjj7-5xwp-h6p7

References

  • 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