IBM DB2 for Linux, UNIX and Windows 11.1 (includes DB2 Connect Server) contains a denial of service vulnerability.

Published 7 y ago 2018-12-14 · modified 4 mo ago 2026-06-17 · JSON

CVSS

5.3

v3.0 · CNA

CISA KEV

not known exploited

EPSS

1.9%

percentile 79%

Public exploits

none known

IBM DB2 for Linux, UNIX and Windows 11.1 (includes DB2 Connect Server) contains a denial of service vulnerability. A remote, authenticated DB2 user could exploit this vulnerability by issuing a specially-crafted SELECT statement with TRUNCATE function. IBM X-Force ID: 154032.

Exploit prediction (EPSS)

1.86% probability of exploitation in the next 30 days, higher than 79% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	3.0	5.3	`CVSS:3.0/A:H/AC:H/AV:N/C:N/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O`
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	3.0	6.5	`CVSS:3.0/AV:N/AC:L/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-20 Improper Input Validation

Technology feeds

IBM Db2 (RSS, critical only)

References

securityfocus.com /bid/106222 · vdb-entry, x_refsource_BID, x_transferred
exchange.xforce.ibmcloud.com /vulnerabilities/154032 · vdb-entry, x_refsource_XF, x_transferred
ibm.com /support/docview.wss?uid=ibm10788089 · x_refsource_CONFIRM, x_transferred

Sources

CVE List: CVE-2018-1977
NVD: CVE-2018-1977

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