CVE-2023-32336
CWE-502Published: May 22, 2023· Updated: Jun 17, 2026
Official Description
IBM InfoSphere Information Server 11.7 is affected by a remote code execution vulnerability due to insecure deserialization in an RMI service. IBM X-Force ID: 255285.
Risk Analysis
IBM InfoSphere Information Server 11.7 is vulnerable to remote code execution due to insecure deserialization in its RMI service. This critical flaw has a CVSS score of 9.8 and poses a severe risk to system integrity.
No public exploit is known, and it is not in the KEV catalog. It is remotely exploitable.
Apply the latest security updates provided by IBM for InfoSphere Information Server.
Technical Analysis
CVE-2023-32336 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-502)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-32336 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts