CVE-2023-40699: IBM InfoSphere Information Server denial of service

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-01 · updated 2026-06-17
Weakness: CWE-20

Description

IBM InfoSphere Information Server 11.7 could allow a remote attacker to cause a denial of service due to improper input validation. IBM X-Force ID: 265161.

Affected products

IBM InfoSphere Information Server: from 11.7.0.0 before 11.7.1.0; from 11.7.0.0 before 11.7.1.4 — fixed in 11.7.1.0, 11.7.1.4

How to fix

Upgrade to a fixed version: IBM InfoSphere Information Server 11.7.1.0, 11.7.1.4. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/265161
https://www.ibm.com/support/pages/node/7067714
https://exchange.xforce.ibmcloud.com/vulnerabilities/265161
https://www.ibm.com/support/pages/node/7067714

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