CVE-2020-5686

Incorrect implementation of authentication algorithm issue in UNIVERGE SV9500 series from V1 to V7and SV8500 series from S6 to S8 allows an attacker to access the remote system maintenance feature and obtain the information by sending a specially crafted request to a specific URL.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://jvn.jp/en/jp/JVN38784555/index.html	Third Party Advisory
https://www.necplatforms.co.jp/en/press/security_adv.html	Vendor Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:nec:univerge_sv9500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:univerge_sv9500:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:nec:univerge_sv8500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:univerge_sv8500:-:*:*:*:*:*:*:*

Information

Published : 2021-01-13 02:15

Updated : 2021-01-21 10:08

NVD link : CVE-2020-5686

Mitre link : CVE-2020-5686

JSON object : View

CWE

CWE-287

Improper Authentication

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Products Affected

nec

univerge_sv8500_firmware
univerge_sv8500
univerge_sv9500
univerge_sv9500_firmware

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