CVE-2020-4767

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-10-28 · updated 2026-06-17
Weakness: CWE-125

Description

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.

Affected products

IBM Sterling Connect:Direct for UNIX: from 4.7.0.0 before 4.7.0.7; from 4.8.0.0 before 4.8.0.3; from 6.0.0.0 before 6.0.0.4; from 6.1.0.0 before 6.1.0.1 — fixed in 4.7.0.7, 4.8.0.3, 6.0.0.4, 6.1.0.1

How to fix

Upgrade to a fixed version: IBM Sterling Connect:Direct for UNIX 4.7.0.7, 4.8.0.3, 6.0.0.4, 6.1.0.1. Check the vendor advisory for mitigations.

References

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