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Status published
High
CVE-2020-5686
Incorrect implementation of authentication algorithm issue in UNIVERGE SV9500 series...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
NEC Corporation
View all reports →Affected Software
UNIVERGE SV9500/SV8500 series
Vulnerable Versions:
SV9500 series from V1 to V7and SV8500 series from S6 to S8
Timeline
Official Publish:
January 13th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.