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 attacker to perform u…

published 2020-07-01 6y ago modified 2026-06-17 4mo ago also EUVD-2020-25661

cvss: 5.1; 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 27%
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 attacker to perform unauthorized actions on the system, caused by improper usage of shared memory. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service. IBM X-Force ID: 179989.

Patch / fix

links 1

ibm.com/support/pages/node/6242356 advisory

Is CVE-2020-4414 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.1	CVSS:3.0/AC:L/A:L/PR:N/UI:N/C:L/S:U/AV:L/I:N/E:U/RC:C/RL:O
NVD	3.1	4.4	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
CNA	3.0	5.1	CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
NVD	2.0	3.6	AV:L/AC:L/Au:N/C:P/I:N/A:P

Affected products

IBM DB2 for Linux- UNIX and Windows

Classification

Technology feeds

IBM Db2 rss critical rss

References

ibm.com /support/pages/node/6242356
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/179989
vdb-entry, vendor-advisory

Sources

CVE List CVE-2020-4414
NVD CVE-2020-4414

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.