Cyber Resilience

CVE-2021-31702

HighPublic PoC

Published: 29 May 2021

Published
29 May 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0033 56.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-31702 is a high-severity an unspecified weakness vulnerability in Frontiersoftware Ichris. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 43.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

frontiersoftware
ichris
≤ 5.18

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References