Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-22339

24
FAUCET Score

CVE-2023-22339 is an improper access control vulnerability affecting CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier. A remote, unauthenticated attacker can exploit this to bypass access restrictions and obtain the server certificate, including its private key. Rated High severity with a CVSS score of 7.5, this vulnerability is easily exploitable over the network with no user interaction, leading to a high impact on confidentiality. Currently, there is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.4.5CPE matchmatch criteria
cpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.14%
Probability of exploitation in next 30 days
EPSS Percentile
63.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0114 is in the 41st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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
PatchThird Party Advisory
cisa.gov / uscert/ics/advisories/icsa-22-347-03
Third Party AdvisoryUS Government Resource
contec.com / api/downloadlogger
PatchVendor Advisory
contec.com / download/contract/contract4
PatchVendor Advisory