CVE-2023-40373 json
IBM Db2 denial of service
published 2023-10-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44944
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to denial of service with a specially crafted query containing common table expressions. IBM X-Force ID: 263574.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- IBM Db2 for Linux, UNIX and Windows
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
ibm.com
/support/pages/node/7047563
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/263574
vdb-entry, vendor-advisory
-
security.netapp.com
/advisory/ntap-20231116-0006/
third-party-advisory
Sources
- CVE List CVE-2023-40373
- NVD CVE-2023-40373
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