What’s Vulnerable › Vulnerabilities

CVE-2020-5685

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-13 · updated 2026-06-17
• Weakness: CWE-78

Description

UNIVERGE SV9500 series from V1 to V7and SV8500 series from S6 to S8 allows an attacker to execute arbitrary OS commands or cause a denial-of-service (DoS) condition by sending a specially crafted request to a specific URL.

Affected products

• NEC Univerge Sv8500 Firmware: from s6 through s8
• NEC Univerge Sv9500 Firmware: from v1 through v7

References

• https://jvn.jp/en/jp/JVN38784555/index.html
• https://www.necplatforms.co.jp/en/press/security_adv.html
• https://jvn.jp/en/jp/JVN38784555/index.html
• https://www.necplatforms.co.jp/en/press/security_adv.html

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