9.8

CVE-2022-44456: contec co., ltd. conprosys hmi system (chs) OS Command Injection

CVSS: 9.8v3.1CriticalModified
Published 19-12-2022Last modified 17-04-2025
Open JSON

Vulnerability summary

CVE-2022-44456 is a critical (CVSS 9.8) OS Command Injection vulnerability in contec co., ltd. conprosys hmi system (chs). EPSS estimates a 69.88% chance of exploitation in the next 30 days, higher than 99.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
69.88%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-12-2022
    PublishedVulnerability first disclosed.
  2. 17-04-2025
    Last modifiedVulnerability information updated.

Description

CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to execute an arbitrary OS command on the server where the product is running by sending a specially crafted request.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

69.88%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 69.88% on 20-09-2026

20-09-202620-10-2026
EPSS score
69.88%

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

Contec1 product
Contec co., ltd.1 product

2 vendors · 2 products

References

3 links