EUVD-2026-31438
GHSA-5qp4-pv6p-8gcx
CVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
Lifecycle Timeline
2DescriptionNVD
Insertion of sensitive information into log file vulnerability in syslink software AG Avantra on Linux, Windows allows Resource Leak Exposure.
This issue affects Avantra: before 25.3.0.
AnalysisAI
Sensitive information disclosure in syslink software AG Avantra (versions before 25.3.0) on Linux and Windows allows an attacker with high privileges and adjacent network access to harvest data written into log files, with a scope-changed impact crossing trust boundaries. The flaw is tracked as CWE-532 and rated CVSS 7.5, but no public exploit identified at time of analysis and it is not listed in CISA KEV.
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RemediationAI
Within 24 hours: Identify all systems running Avantra versions < 25.3.0 and restrict network access to trusted internal subnets only. Within 7 days: Implement file-level encryption on Avantra log directories (/var/log/avantra or equivalent), enable filesystem audit logging for log access, and segment Avantra infrastructure from general network access. …
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