7.8

CVE-2021-32970: Moxa NPort IAW5000A-I/O Series Serial Device Server Improper Input Validation

Modified
Published 01-04-2022Last modified 16-04-2025

Vulnerability summary

CVE-2021-32970 is a high (CVSS 7.8) Improper Input Validation vulnerability in moxa nport iaw5000a-i/o series firmware. EPSS estimates a 1.69% chance of exploitation in the next 30 days, higher than 76.8% 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
1.69%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 01-04-2022
    PublishedVulnerability first disclosed.
  2. 16-04-2025
    Last modifiedVulnerability information updated.

Description

Data can be copied without validation in the built-in web server in Moxa NPort IAW5000A-I/O series firmware version 2.2 or earlier, which may allow a remote attacker to cause denial-of-service conditions.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.69%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.69% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Moxa5 products

1 vendor · 5 products

References

2 links