9.8

CVE-2020-5633: nec corporation multiple nec products where baseboard management controller (bmc) firmware rev1.09 and earlier is applied Improper Authentication

CVSS: 9.8v3.1CriticalModified
Published 13-01-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-5633 is a critical (CVSS 9.8) Improper Authentication vulnerability in nec corporation multiple nec products where baseboard management controller (bmc) firmware rev1.09 and earlier is applied. EPSS estimates a 3.22% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.22%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-01-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Multiple NEC products (Express5800/T110j, Express5800/T110j-S, Express5800/T110j (2nd-Gen), Express5800/T110j-S (2nd-Gen), iStorage NS100Ti, and Express5800/GT110j) where Baseboard Management Controller (BMC) firmware Rev1.09 and earlier is applied allows remote attackers to bypass authentication and then obtain/modify BMC setting information, obtain monitoring information, or reboot/shut down the vulnerable product via unspecified vectors.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.22%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

+0.04 pp

From 3.18% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.22%

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

Nec1 product
Nec corporation1 product

2 vendors · 2 products

References

3 links