Description
A flaw was found in rsyslog. When using the imdtls input module configured for name or fingerprint authentication, permitted-peer identity checks are not enforced after a successful DTLS handshake. A remote attacker possessing a valid certificate signed by the listener's trusted Certificate Authority could bypass peer restrictions and inject unauthorized syslog records into the input stream.
Published: n/a
Score: 3.1 Low
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Advisories

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History

Tue, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in rsyslog. When using the imdtls input module configured for name or fingerprint authentication, permitted-peer identity checks are not enforced after a successful DTLS handshake. A remote attacker possessing a valid certificate signed by the listener's trusted Certificate Authority could bypass peer restrictions and inject unauthorized syslog records into the input stream.
Title rsyslog: rsyslog: imdtls permitted-peer authorization bypass
Weaknesses CWE-287
References
Metrics threat_severity

None

 cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N'}

threat_severity

Low

Subscriptions

No data.

cve-icon MITRE

No data.

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

Severity : Low

Publid Date: 2026-09-22T16:00:00Z

Links: CVE-2026-93402 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses