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TI-2020-04041 Aliases CVE-2020-4767GHSA-wf3w-6f2x-x7mg

Out-of-bounds read in IBM Sterling Connect Direct for Microsoft Windows

Priority LOW 36CWE-125Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote attacker to cause a denial of service, caused by a buffer over-read. Bysending a specially crafted request, the attacker could cause the application to crash. IBM X-Force ID: 188906.

Why it matters now

EPSS 0.01602 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMSterling Connect Direct for Microsoft Windows4.7; 4.8; 6.0; 6.1—No fix listedCNA
  • Sterling Connect Direct for Microsoft Windows VendorIBM Affected 4.7; 4.8; 6.0; 6.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ibm:sterling_connect\:direct:*:*:*:*:*:windows:*:*directVulnerableIBM
  • cpe:2.3:a:ibm:sterling_connect\:direct:*:*:*:*:*:windows:*:* Versions direct Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-4767
  2. 2026-10-03 Alias added: GHSA-wf3w-6f2x-x7mg

References

Advisory 1

  • TI-2021-16346 Missing brute-force protection in IBM Connect:Direct Web Services CVSS 3.1HIGH 7.5
  • TI-2023-13665 IBM Sterling Connect:Express for UNIX server-side request forgery CVSS 3.1MEDIUM 6.5
  • TI-2025-24718 IBM Sterling Connect:Direct for UNIX command execution CVSS 3.1HIGH 7.2
  • TI-2023-15624 IBM Connect:Express for UNIX denial of service CVSS 3.1HIGH 7.5
  • TI-2021-16347 IBM Sterling Connect:Direct Web Services 1.0 and 6.0 uses weaker than expected… CVSS 3.1HIGH 7.5
  • TI-2020-03903 Out-of-bounds write in IBM Sterling Connect:Direct for UNIX CVSS 3.1HIGH 7.8
See all 18 →

Sources

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