CVE-2021-31702

HIGH

Frontier ichris < 5.18 - Denial of Service via HTTP Host Header DNS Request

Title source: llm
STIX 2.1

Description

Frontier ichris through 5.18 mishandles making a DNS request for the hostname in the HTTP Host header, as demonstrated by submitting 127.0.0.1 multiple times for DoS.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0124
EPSS Percentile 65.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (1)
frontiersoftware/ichris < 5.18
Published May 29, 2021
Tracked Since Feb 18, 2026