Vulnerability · Published Jan 13, 2021 · Assigned by jpcert
CVE-2020-5686
High 7.5
In plain English
A high-severity security flaw in UNIVERGE SV9500/SV8500 series from NEC Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 32.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NEC Corporation | UNIVERGE SV9500/SV8500 series | SV9500 series from V1 to V7and SV8500 series from S6 to S8 |
References
- https://www.necplatforms.co.jp/en/press/security_adv.html x_refsource_MISC
- https://jvn.jp/en/jp/JVN38784555/index.html x_refsource_MISC