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TI-2020-16712 Aliases CVE-2020-27583GHSA-wffw-394c-6775

IBM InfoSphere Information Server 8.5.0.0 is affected by deserialization of untrusted…

Priority HIGH 76CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

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

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03853 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ibm:infosphere_information_server:8.5:*:*:*:*:*:*:*8.5VulnerableIBM
  • cpe:2.3:a:ibm:infosphere_information_server:8.5:*:*:*:*:*:*:* Versions 8.5 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27583
  2. 2026-10-03 Alias added: GHSA-wffw-394c-6775
  3. 2026-10-16 EPSS moved to the 90th–95th percentile

References

Exploit 1

  • TI-2022-19379 Command injection in IBM InfoSphere DataStage CVSS 3.1CRITICAL 9.8
  • TI-2022-06725 CSV injection in IBM InfoSphere Information Server CVSS 3.1CRITICAL 9.8
  • TI-2022-19375 XML external entity injection in IBM InfoSphere Information Server CVSS 3.1CRITICAL 9.1
  • TI-2022-23773 IBM InfoSphere Information Server SQL injection CVSS 3.1CRITICAL 9.8
  • TI-2009-04024 Multiple buffer overflows in unspecified setuid executables in the DataStage subsystem in… CVSS 2.0HIGH 10.0
  • TI-2023-15629 IBM InfoSphere Information Server code execution CVSS 3.1CRITICAL 9.8
See all 188 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences