VULNERABILITY INTELLIGENCE
CVE-2017-5645
CVSS score9.8 CRITICAL
EPSS probability89.79%
CISA KEVNot currently listed
Published2017-04-17
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- CWE-502: Deserialization of Untrusted Data
Primary references
- security@apache.org — Mailing List, Third Party Advisory
- security@apache.org — Patch
- security@apache.org — Patch
- security@apache.org — Patch
- security@apache.org — Patch, Third Party Advisory
- security@apache.org — Third Party Advisory, VDB Entry
- security@apache.org — Third Party Advisory, VDB Entry
- security@apache.org — Third Party Advisory, VDB Entry
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory