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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-44456

69
FAUCET Score

CVE-2022-44456 is a critical OS command injection vulnerability affecting CONPROSYS HMI System (CHS) versions 3.4.4 and earlier. This flaw allows an unauthenticated remote attacker to execute arbitrary operating system commands on the server through a specially crafted request. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, its high EPSS and FAUCET Risk Score indicate a significant potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.4.4CPE matchmatch criteria
cpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
69.88%
Probability of exploitation in next 30 days
EPSS Percentile
99.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.6988 is in the 97th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/vu/JVNVU96873821/index.html
Third Party AdvisoryVDB Entry
contec.com / api/downloadlogger
Vendor Advisory
contec.com / download/contract/contract4
PatchVendor Advisory