Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information
Published Jan 20, 2023
7.5
HIGHCVSS 3.1
EPSS 1.01%
Description
Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.
Affected products
-
- Version Ver.3.4.5 and earlierStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Contec Co., Ltd. | CONPROSYS HMI System (CHS) | n/a |
|
- ≤ 3.4.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Apr 3, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2023–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.01% (0.01008) | 61.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.01% (0.01008) | 58.38th | v5 (v2026.06.15) |
| Dec 17, 2025 | 1.65% (0.01651) | 81.53th | v4 (v2025.03.14) |
| Nov 21, 2025 | 3.45% (0.03445) | 87.02th | v4 (v2025.03.14) |
| Nov 18, 2025 | 0.74% (0.00745) | 70.83th | v4 (v2025.03.14) |
| Sep 13, 2025 | 2.65% (0.02654) | 85.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.16% (0.01158) | 77.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00145) | 51.96th | v3 (v2023.03.01) |
| Feb 22, 2024 | 0.14% (0.00145) | 49.31th | v3 (v2023.03.01) |
| Jan 26, 2024 | 0.14% (0.00135) | 48.73th | v3 (v2023.03.01) |
| Dec 20, 2023 | 0.11% (0.00106) | 42.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00100) | 39.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Jan 27, 2023 | 1.21% (0.01213) | 66.04th | v2 (v2022.01.01) |
| Jan 20, 2023 | 1.13% (0.01132) | 55.36th | v2 (v2022.01.01) |
References (4)
- https://jvn.jp/en/vu/JVNVU96873821 PatchThird Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-347-03 Third Party AdvisoryUS Government Resource
- https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdf PatchVendor Advisory
- https://www.contec.com/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c&downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90b PatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://jvn.jp/en/vu/JVNVU96873821 | PatchThird Party Advisory | |
| https://www.cisa.gov/uscert/ics/advisories/icsa-22-347-03 | Third Party AdvisoryUS Government Resource | |
| https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdf | PatchVendor Advisory | |
| https://www.contec.com/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c&downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90b | PatchVendor Advisory |
Change history (0)
No recorded changes yet.