A vulnerable file in Opto 22 PAC Project Professional versions prior to R9.4006, PAC Project Basic versions prior to R9.4006, PAC Display Basic versions prior to R9.4f, PAC Display Professional versions prior to R9.4f, OptoOPCServer versions prior to R9.4c, and OptoDataLink version R9.4d and prior versions that were installed by PAC Project installer, versions prior to R9.4006, is susceptible to a heap-based buffer overflow condition that may allow remote code execution on the target system
Published May 10, 2019
9.8
CRITICALCVSS 3.0
EPSS 5.34%
Description
A vulnerable file in Opto 22 PAC Project Professional versions prior to R9.4006, PAC Project Basic versions prior to R9.4006, PAC Display Basic versions prior to R9.4f, PAC Display Professional versions prior to R9.4f, OptoOPCServer versions prior to R9.4c, and OptoDataLink version R9.4d and prior versions that were installed by PAC Project installer, versions prior to R9.4006, is susceptible to a heap-based buffer overflow condition that may allow remote code execution on the target system. Opto 22 suggests upgrading to the new product version as soon as possible.
Affected products
-
- Version R9.4d and prior that were installed by PAC Project installerStatusaffectedConstraints-
- Version versions prior to R9.4006StatusaffectedConstraints-
- Version
-
- Version < R9.4cStatusaffectedConstraints-
- Version
-
- Version < R9.4fStatusaffectedConstraints-
- Version
-
- Version < R9.4fStatusaffectedConstraints-
- Version
-
- Version < R9.4006StatusaffectedConstraints-
- Version
-
- Version < R9.4006StatusaffectedConstraints-
- 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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Opto 22 | OptoDataLink | n/a |
| |||||||||
| Opto 22 | OptoOPCServer | n/a |
| |||||||||
| Opto 22 | PAC Display Basic | n/a |
| |||||||||
| Opto 22 | PAC Display Professional | n/a |
| |||||||||
| Opto 22 | PAC Project Basic | n/a |
| |||||||||
| Opto 22 | PAC Project Professional | n/a |
|
- < r9.4d
- < r9.4c
- < r9.4f
- < r9.4f
- < r9.4006
- < r9.4006
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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.34% (0.05342) | 92.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.34% (0.05342) | 91.55th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.26% (0.01262) | 77.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.52% (0.03516) | 79.15th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.18% (0.01182) | 77.30th | v4 (v2025.03.14) |
| Dec 17, 2024 | 14.66% (0.14656) | 95.75th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.58% (0.00577) | 77.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.58% (0.00577) | 74.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.16% (0.01156) | 61.37th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.16% (0.01156) | 60.36th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.16% (0.01156) | 58.36th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.16% (0.01156) | 34.92th | v2 (v2022.01.01) |
References (1)
- https://ics-cert.us-cert.gov/advisories/ICSA-15-120-01 x_refsource_MISCMitigationThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-15-120-01 | x_refsource_MISCMitigationThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.