TI-2020-04164 Aliases CVE-2020-4945 GHSA-fhg4-xhw8-92hr

Incorrect permission assignment in IBM DB2 for Linux and UNIX

LOW 37CWE-732Published 2021-06-24 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · 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) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.

Why it matters now

EPSS 0.0104 64th 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 and UNIX	11.5	—	No fix listed	CNA

DB2 for Linux and UNIX VendorIBM Affected 11.5 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
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: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

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-4945
2026-10-03 Alias added: GHSA-fhg4-xhw8-92hr

References

Patch 1

https://www.ibm.com/support/pages/node/6466367

Advisory 1

https://security.netapp.com/advisory/ntap-20210720-0006/

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