CVE-2017-5645

CriticalCVSS 9.8/10Last modified Oct 8, 2026

Description

In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.

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

Affected software

No affected versions have been published.

Timeline

Published
Apr 17, 2017
Last modified
Oct 8, 2026
NVD status
Modified

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CVE-2017-5645: Critical severity, CVSS 9.8 | Vulnix