Improper Output Neutralization for Logs Affecting log4cxx package, versions [0.12.0,1.5.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published25 Aug 2025
- disclosed22 Aug 2025
- creditUnknown
Introduced: 22 Aug 2025
CVE-2025-54813 (opens in a new tab)How to fix?
Upgrade log4cxx to version 1.5.0 or higher.
Overview
Affected versions of this package are vulnerable to Improper Output Neutralization for Logs in the JSONLayout class. An attacker can inject non-printable characters into log messages by supplying specially crafted input, which may cause downstream applications that consume these logs to misinterpret or mishandle the information.