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Japan Vulnerability NotesJVN:89224521

HistoryApr 08, 2020 - 12:00 a.m.

JVN#89224521: Multiple vulnerabilities in EasyBlocks IPv6

2020-04-0800:00:00

Japan Vulnerability Notes

jvn.jp

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.006 Low

EPSS

Percentile

79.4%

JSON

EasyBlocks IPv6 provided by Plat’Home Co., Ltd. contains multiple vulnerabilities listed below.

Cross site request forgery(CWE-352) - CVE-2020-5549

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N	Base Score: 4.3
CVSS v2	AV:N/AC:H/Au:N/C:N/I:P/A:N	Base Score: 2.6

Session fixation (CWE-384) - CVE-2020-5550

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N	Base Score: 4.2
CVSS v2	AV:N/AC:H/Au:N/C:P/I:P/A:N	Base Score: 4.0

Impact

If a user views a malicious page while logged in the management console, unintended operations may be performed - CVE-2020-5549
A remote attacker impersonating a registered user may log in the management console. As a result, information may be altered/disclosed. - CVE-2020-5550

Solution

Update the Firmware
Update to the latest version according to the information provided by the developer.

Apply a Workaround
Blocking access from untrusted network or host to port 880 may mitigate the impacts of this vulnerability.

Products Affected

EasyBlocks IPv6 Ver. 2.0.1 and earlier
EasyBlocks IPv6 Enterprise Ver. 2.0.1 and earlier

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.006 Low

EPSS

Percentile

79.4%

JSON

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