Apache Log4cxx: Improper escaping with JSONLayout_CVE-2025-54813

6.3 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

Description

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx.

When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON message. This may prevent applications that consume these logs from correctly interpreting the information within them.

This issue affects Apache Log4cxx: before 1.5.0.

Users are recommended to upgrade to version 1.5.0, which fixes the issue.

Basic Information

ID CVE-2025-54813

Source apache

Published Aug 22, 2025 at 18:45

Modified Aug 22, 2025 at 19:05

Affected Product

Vendor Apache Software Foundation

Product Apache Log4cxx

Version 0.11.0

Affected Versions Apache Software Foundation Apache Log4cxx 0.11.0

CWE Classification

CWE-117

References

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    "published": "2025-08-22T18:45:42.611Z",
    "modified": "2025-08-22T19:05:49.161Z",
    "type": "cve",
    "title": "Apache Log4cxx: Improper escaping with JSONLayout",
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    "references": "https://logging.apache.org/security.html#CVE-2025-54813\nhttps://github.com/apache/logging-log4cxx/pull/512",
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