IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5, under specific circumstance of a table b…

published 2021-06-24 5y ago modified 2026-06-17 4mo ago also EUVD-2021-16251

cvss: 5.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 72%
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, under specific circumstance of a table being dropped while being accessed in another session, could allow an authenticated user to cause a denial of srevice IBM X-Force ID: 203031.

Patch / fix

links 1

ibm.com/support/pages/node/6466373 advisory

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Exploit prediction

1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.3	CVSS:3.0/UI:N/A:H/I:N/AV:N/PR:L/AC:H/S:U/C:N/RC:C/E:U/RL:O
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA	3.0	5.3	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

IBM DB2 for Linux, UNIX and Windows

Classification

Weakness

CWE-829 Inclusion of Functionality from Untrusted Control Sphere

Technology feeds

IBM Db2 rss critical rss

References

ibm.com /support/pages/node/6466373
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/203031
vdb-entry, vendor-advisory
security.netapp.com /advisory/ntap-20210720-0006/
third-party-advisory

Sources

CVE List CVE-2021-29777
NVD CVE-2021-29777

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