CVE-2023-24971: IBM B2B Advanced Communication denial of service

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-31 · updated 2026-06-17
Weakness: CWE-502

Description

IBM B2B Advanced Communications 1.0.0.0 and IBM Multi-Enterprise Integration Gateway 1.0.0.1 could allow a user to cause a denial of service due to the deserializing of untrusted serialized Java objects. IBM X-Force ID: 246976.

Affected products

IBM B2B Advanced Communications: from 1.0 before 1.0.0.8 — fixed in 1.0.0.8
IBM Multi-Enterprise Integration Gateway: 1.0.0.1

How to fix

Upgrade to a fixed version: IBM B2B Advanced Communications 1.0.0.8. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/246976
https://www.ibm.com/support/pages/node/7014933
https://exchange.xforce.ibmcloud.com/vulnerabilities/246976
https://www.ibm.com/support/pages/node/7014933

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