VULNERABILITY INTELLIGENCE

CVE-2018-5407

CVSS score4.7 MEDIUM
EPSS probability3.42%
CISA KEVNot currently listed
Published2018-11-15
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.

Weakness classification

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-203: Observable Discrepancy

Primary references