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[email protected]CVE-2021-31702

HistoryMay 29, 2021 - 2:15 p.m.

CVE-2021-31702

2021-05-2914:15:00

NVD-CWE-noinfo

[email protected]

web.nvd.nist.gov

frontier ichris

5.18

dns request

http host header

dos

cve-2021-31702

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

45.0%

JSON

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.

CPENameOperatorVersion
frontiersoftware:ichrisfrontiersoftware ichrisle5.18

CPE	Name	Operator	Version
frontiersoftware:ichris	frontiersoftware ichris	le	5.18

References

github.com/l00neyhacker/CVE-2021-31702

Social References

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

45.0%

JSON

Related for CVE-2021-31702

cvelist1 prion1 githubexploit1