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 local user to obtain sensit…

published 2020-07-01 6y ago modified 2026-06-17 4mo ago also EUVD-2020-25633

cvss: 6.2; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

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 local user to obtain sensitive information using a race condition of a symbolic link. IBM X-Force ID: 179268.

Patch / fix

links 1

ibm.com/support/pages/node/6242342 advisory

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Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.2	CVSS:3.0/AC:L/A:N/UI:N/PR:N/C:H/S:U/AV:L/I:N/RL:O/RC:C/E:U
NVD	3.1	4.7	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA	3.0	6.2	CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	1.9	AV:L/AC:M/Au:N/C:P/I:N/A:N

Affected products

IBM DB2 for Linux- UNIX and Windows

Classification

Weakness

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

Technology feeds

IBM Db2 rss critical rss

References

ibm.com /support/pages/node/6242342
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/179268
vdb-entry, vendor-advisory

Sources

CVE List CVE-2020-4386
NVD CVE-2020-4386

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