VULNERABILITY INTELLIGENCE

CVE-2017-2670

CVSS score7.5 HIGH
EPSS probability3.62%
CISA KEVNot currently listed
Published2018-07-27
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.

Weakness classification

  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Primary references