CVE-2020-4207

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer overflow, caused by improper bounds checking when handling a failed HTTP request with specific content in the headers. By sending a specially crafted HTTP request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service. IBM X-Force ID: 174972.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120

Affected software

No affected versions have been published.

Timeline

Published
Jan 28, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-4207: Critical severity, CVSS 9.8 | Vulnix