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Case File

CVE-2017-5645

CRITICAL · CVSS 9.8 EPSS 89.04%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-04-17 · Last synced 2026-08-04

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CVE
CVE-2017-5645
Severity
CRITICAL
CVSS
9.8
EPSS
89.04%
Apache

Original NVD 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.