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CVE-2023-22331

19
FAUCET Score

CVE-2023-22331 is a critical vulnerability affecting CONPROSYS HMI System (CHS) versions 3.4.5 and earlier, stemming from the use of default credentials. This allows an unauthenticated remote attacker to alter user credentials, posing a high risk with a CVSS score of 7.5. The attack requires no user interaction and has low complexity, but there is currently no evidence of active exploitation, public exploit code, or significant community discussion.

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:N/I:H/A:N

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

Exploit Intelligence

EPSS Score
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0101 is in the 36th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

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