CVE-2024-31880: IBM Db2 for Linux, UNIX and Windows · Unthrottled Resource Allocation
Affects IBM Db2 for Linux, UNIX and WindowsSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 32% 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 23 Oct 2024
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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBM Db2 for Linux, UNIX and Windows | Affected
| Fixed in– |
AI-suggested
- Restrict database access strictly to trusted and necessary users, enforcing the principle of least privilege to minimize the number of authenticated users who can execute SQL statements.
- Monitor database resource usage and query patterns to detect abnormal or excessive resource consumption indicative of exploitation attempts.
- Implement network segmentation and access controls to limit exposure of Db2 servers to only essential systems and users.
- Use database auditing and logging to track and review executed SQL statements for suspicious activity.
- Prepare for rapid deployment of IBM patches once released by maintaining an up-to-date inventory of affected Db2 versions and testing updates in controlled environments.
- Consider deploying query governor or resource governor features if available in Db2 to limit resource consumption per user or query.
- Educate database administrators and security teams about this vulnerability to ensure prompt detection and response to potential incidents.
- Review and tighten authentication mechanisms to reduce the risk of credential compromise.
Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service, under specific configurations, as the server may crash when using a specially crafted SQL statement by an authenticated user.