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.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

1.24% chance of exploitation in the next 30 days, 67th percentile

Published

2021-05-29

Updated

2024-08-03

Proof-of-concept exploits (1)

• l00neyhacker/CVE-2021-317020★ · 2021-05-18

References

• CVE Record
• NVD entry

Related

• CVE-2021-31703
• CVE-2021-32202
• CVE-2021-36581
• CVE-2021-36582
• CVE-2021-40649
• CVE-2021-40650