CVE-2020-27583: IBM InfoSphere Information Server

Critical severity, CVSS 9.8. EPSS: 3.7% chance of exploitation in the next 30 days.

IBM InfoSphere Information Server 8.5.0.0 is affected by deserialization of untrusted data which could allow remote unauthenticated attackers to execute arbitrary code. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Affected products

• IBM InfoSphere Information Server: version 8.5 only

Published 2021-01-26. Last modified 2026-06-17.