OServer Out of Bounds Read
Published Apr 11, 2014
8.3
HIGHCVSS 2.0
EPSS 2.40%
Description
The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet.
Affected products
-
- Version 0StatusaffectedConstraints<=1.0.20
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| IOServer | OPC Drivers | unaffected |
|
- n/a
- ≤ 1.0.20
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
IOServer has produced a new version that mitigates the vulnerability. The new version, Beta2112.exe, is available for download here: http://www.ioserver.com/
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
1 other source (CVE.org) ▾
AV:N/AC:M/Au:N/C:P/I:P/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.40% (0.02403) | 83.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.40% (0.02403) | 81.83th | v5 (v2026.06.15) |
| Sep 25, 2025 | 1.97% (0.01974) | 82.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.55% (0.00554) | 66.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.41% (0.00415) | 74.89th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.51% (0.00512) | 75.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.51% (0.00512) | 72.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (3)
- http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01 US Government Resource
- http://www.ioserver.com/
- https://www.cisa.gov/news-events/ics-advisories/icsa-14-100-01
| Link | Providers | Tags |
|---|---|---|
| http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01 | US Government Resource | |
| http://www.ioserver.com/ | ||
| https://www.cisa.gov/news-events/ics-advisories/icsa-14-100-01 |
Change history (0)
No recorded changes yet.