CVE-2023-40372
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 is vulnerable to denial of service with a specially crafted SQL statement using External Tables.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 is vulnerable to denial of service with a specially crafted SQL statement using External Tables. IBM X-Force ID: 263499.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.97% probability · 62th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- ibm/db2
- Source
- psirt@us.ibm.com
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/263499VDB Entry, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20231116-0007/Third Party Advisory
- https://www.ibm.com/support/pages/node/7047561Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/263499VDB Entry, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20231116-0007/Third Party Advisory
- https://www.ibm.com/support/pages/node/7047561Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.