MEDIUM
Open Automation Software OPC Systems.NET before 5.0 allows remote attackers to cause a denial of service via a malformed .NET RPC packet on TCP port 58723
Published Apr 18, 2012
5.0
MEDIUMCVSS 2.0
EPSS 3.12%
Description
Open Automation Software OPC Systems.NET before 5.0 allows remote attackers to cause a denial of service via a malformed .NET RPC packet on TCP port 58723.
Affected products
No data.
- ≤ 4.0
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.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.12% 0.03123
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03123
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 (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.12% (0.03123) | 87.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.16% (0.03159) | 86.27th | v5 (v2026.06.15) |
| May 24, 2026 | 12.10% (0.12098) | 93.89th | v4 (v2025.03.14) |
| Apr 27, 2026 | 15.48% (0.15485) | 94.68th | v4 (v2025.03.14) |
| Mar 10, 2026 | 11.23% (0.11227) | 93.38th | v4 (v2025.03.14) |
| Mar 30, 2025 | 13.76% (0.13758) | 93.67th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.03% (0.09030) | 87.58th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.76% (0.13758) | 93.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.71% (0.01712) | 88.30th | v3 (v2023.03.01) |
| May 10, 2024 | 1.71% (0.01707) | 87.71th | v3 (v2023.03.01) |
| Apr 25, 2024 | 2.03% (0.02030) | 88.78th | v3 (v2023.03.01) |
| Apr 12, 2024 | 1.96% (0.01958) | 88.52th | v3 (v2023.03.01) |
| Mar 15, 2024 | 1.66% (0.01657) | 87.29th | v3 (v2023.03.01) |
| Feb 8, 2024 | 1.75% (0.01748) | 87.50th | v3 (v2023.03.01) |
| Jan 16, 2024 | 1.24% (0.01241) | 83.98th | v3 (v2023.03.01) |
| Nov 17, 2023 | 1.23% (0.01234) | 83.88th | v3 (v2023.03.01) |
| Jul 13, 2023 | 1.55% (0.01549) | 85.38th | v3 (v2023.03.01) |
| May 13, 2023 | 2.10% (0.02097) | 87.47th | v3 (v2023.03.01) |
| Mar 9, 2023 | 2.61% (0.02612) | 88.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.03% (0.03029) | 89.40th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.19% (0.04187) | 87.39th | v2 (v2022.01.01) |
| Jul 3, 2022 | 4.19% (0.04187) | 86.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.98% (0.04979) | 88.47th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.03% (0.06033) | 77.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (1)
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-012-01.pdf x_refsource_MISCUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/control_systems/pdf/ICSA-12-012-01.pdf | x_refsource_MISCUS Government Resource |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Apr 18, 2012
Updated Sep 16, 2024
Reserved Dec 21, 2011
Link CVE-2011-4871
CISA Vulnrichment
Updated n/a