VulnerabilityModified
CVE-2021-31702
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.
HIGH 7.5EPSS 1.24%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.24% probability · 67th percentile
- CISA KEV
- Not listed
- Affected
- frontiersoftware/ichris
- Source
- cve@mitre.org
References
- https://github.com/l00neyhacker/CVE-2021-31702Exploit, Third Party Advisory
- https://github.com/l00neyhacker/CVE-2021-31702Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.