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CVE-2026-8670
Published: May 22, 2026
Modified: May 22, 2026
PUBLISHED
CVSS v3.1
9.6
CRITICAL
Description
Insufficient session expiration vulnerability in syslink software AG Avantra on Linux, Windows allows Reusing Session IDs (aka Session Replay). This issue affects Avantra: before 25.3.1.
| Vendor | Product | Versions |
|---|---|---|
syslink software AG | Avantra | affected 0 - < 25.3.1 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
References
https://support.avantra.com/hc/en-us/articles/5533929912351
vendor-advisory
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