VULNERABILITY INTELLIGENCE

CVE-2018-16598

CVSS score5.9 MEDIUM
EPSS probability1.52%
CISA KEVNot currently listed
Published2018-12-06
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

An issue was discovered in Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. In xProcessReceivedUDPPacket and prvParseDNSReply, any received DNS response is accepted, without confirming it matches a sent DNS request.

Weakness classification

  • CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')

Primary references