7.8

CVE-2018-20720: hitachienergy relion_630_firmware Improper Input Validation

CVSS: 7.8v2.0HighModified
Published 16-01-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-20720 is a high (CVSS 7.8) Improper Input Validation vulnerability in hitachienergy relion_630_firmware. EPSS estimates a 2.47% chance of exploitation in the next 30 days, higher than 84.3% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
2.47%
0%100%
Low · +0.15 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-01-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

ABB Relion 630 devices 1.1 before 1.1.0.C0, 1.2 before 1.2.0.B3, and 1.3 before 1.3.0.A6 allow remote attackers to cause a denial of service (reboot) via a reboot command in an SPA message.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.47%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.15 pp

From 2.32% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hitachienergy1 product

1 vendor · 1 product

References

2 links