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01 Record

CVE-2021-29703

Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server terminates abnormally when executing a specially crafted SELECT statement. IBM X-Force

HighPUBLISHEDCNA: ibm
CNA base score7.5 CVSS v3.xCVSS:3.0/S:U/C:N/AV:N/PR:N/AC:L/I:N/UI:N/A:H/RL:O/E:U/RC:C
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02 Description

Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server terminates abnormally when executing a specially crafted SELECT statement. IBM X-Force

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.69% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 76.6% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-06-24 18:45Z5 YR AGO
Last updated
2024-09-16 19:04Z2 YR AGO
Reserved
2021-03-31
Assigning CNA
ibm
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.0/S:U/C:N/AV:N/PR:N/AC:L/I:N/UI:N/A:H/RL:O/E:U/RC:C
Weaknesses
No CWE assigned
Data version
5.1
Document digest
525c958819324edfe9434a27427a7c77d974079c0eee63dc772d5b49df07a4e1

05 Affected products

VendorProductVersionsPlatforms
IBMDB2 for Linux, UNIX and Windows10.5, 10.1, 9.7, 11.1, 11.5—

06 References