CVE-2020-5685: nec corporation univerge sv9500/sv8500 series OS Command Injection
CVSS: 10.0v2.0HighModified
Published 13-01-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-5685 is a high (CVSS 10.0) OS Command Injection vulnerability in nec corporation univerge sv9500/sv8500 series. EPSS estimates a 1.82% chance of exploitation in the next 30 days, higher than 78.5% of scored vulnerabilities.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
1.82%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-01-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
1.82%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
+0.02 pp
From 1.80% on 20-09-2026
20-09-202620-10-2026
EPSS score1.82%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Nec2 products
- univerge_sv8500_firmware≥ s6, ≤ s8
- univerge_sv9500_firmware≥ v1, ≤ v7
Nec corporation1 product
- univerge sv9500/sv8500 seriesSV9500 series from V1 to V7and SV8500 series from S6 to S8
2 vendors · 3 products