CVE-2024-39724: IBM Db2 Big SQL on Cloud Pak for Data · Unthrottled Resource Allocation
Affects IBM Db2 Big SQL on Cloud Pak for DataSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 25% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 4 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMDb2 Big SQL on Cloud Pak for Data | Affected
| Fixed in– |
CPE configurations (3)
cpe:2.3:a:ibm:big_sql:7.6:*:*:*:*:*:*:*cpe:2.3:a:ibm:big_sql:7.7:*:*:*:*:*:*:*cpe:2.3:a:ibm:big_sql:7.8:*:*:*:*:*:*:*
AI-suggested
1. Implement strict access controls and monitoring to limit authenticated user privileges, especially for users with internal system knowledge. 2. Monitor resource usage patterns closely to detect abnormal spikes that could indicate exploitation attempts. 3. Use rate limiting or resource quotas if supported by the platform to prevent any single user or process from consuming excessive resources. 4. Segregate duties and enforce least privilege principles to reduce the number of users who can trigger resource-intensive operations. 5. Regularly review and audit user activities and system logs for signs of misuse or attempts to exploit resource allocation. 6. Engage with IBM support and subscribe to security advisories to obtain patches or workarounds as soon as they become available. 7. Consider deploying additional infrastructure redundancy or failover mechanisms to maintain service availability during potential DoS events. 8. Educate internal users about the risks of resource misuse and enforce policies to prevent accidental or malicious resource exhaustion.
Description
IBM Db2 Big SQL on Cloud Pak for Data versions 7.6 (on CP4D 4.8), 7.7 (on CP4D 5.0), and 7.8 (on CP4D 5.1) do not properly limit the allocation of system resources. An authenticated user with internal knowledge of the environment could exploit this weakness to cause a denial of service.