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[email protected]CVE-2021-27170

HistoryFeb 10, 2021 - 7:15 p.m.

CVE-2021-27170

2021-02-1019:15:14

CWE-922

[email protected]

web.nvd.nist.gov

cve-2021-27170

fiberhome hg6245d

network security

ipv6

firewall rules

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.009 Low

EPSS

Percentile

82.8%

JSON

An issue was discovered on FiberHome HG6245D devices through RP2613. By default, there are no firewall rules for IPv6 connectivity, exposing the internal management interfaces to the Internet.

Affected configurations

NVD

Node

fiberhomehg6245d_firmwareRange≤rp2613

AND

fiberhomehg6245dMatch-

CPENameOperatorVersion
fiberhome:hg6245d_firmwarefiberhome hg6245d firmwarelerp2613

CPE	Name	Operator	Version
fiberhome:hg6245d_firmware	fiberhome hg6245d firmware	le	rp2613

References

pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#insecure-ipv6

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.009 Low

EPSS

Percentile

82.8%

JSON

Related for CVE-2021-27170

nvd1 cvelist1 prion1