CVE-2020-5686
Last modified
CVE-2020-5686 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nec | Univerge Sv9500 Firmware | >= v1, <= v7 |
| Nec | Univerge Sv8500 Firmware | >= s6, <= s8 |
References
- https://jvn.jp/en/jp/JVN38784555/index.htmlThird Party Advisory
- https://www.necplatforms.co.jp/en/press/security_adv.htmlVendor Advisory
- https://jvn.jp/en/jp/JVN38784555/index.htmlThird Party Advisory
- https://www.necplatforms.co.jp/en/press/security_adv.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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