Rockwell Automation RSLinx Classic Versions 4.00.01 and prior
Published Sep 20, 2018
9.8
CRITICALCVSS 3.0
EPSS 16.09%
Description
Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote threat actor to intentionally send a malformed CIP packet to Port 44818, causing the software application to stop responding and crash. This vulnerability also has the potential to exploit a buffer overflow condition, which may allow the threat actor to remotely execute arbitrary code.
Affected products
-
- Version 4.00.01 and priorStatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Rockwell Automation | RSLinx Classic | n/a |
|
- ≤ 4.00.01
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:P/I:P/A:P
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 16.09% (0.16092) | 96.83th | v5 (v2026.06.15) |
| Sep 22, 2026 | 16.09% (0.16092) | 96.77th | v5 (v2026.06.15) |
| Sep 21, 2026 | 14.64% (0.14636) | 96.56th | v5 (v2026.06.15) |
| Sep 6, 2026 | 16.09% (0.16092) | 96.70th | v5 (v2026.06.15) |
| Sep 5, 2026 | 14.64% (0.14636) | 96.48th | v5 (v2026.06.15) |
| Aug 30, 2026 | 16.09% (0.16092) | 96.68th | v5 (v2026.06.15) |
| Aug 28, 2026 | 14.64% (0.14636) | 96.46th | v5 (v2026.06.15) |
| Aug 24, 2026 | 16.09% (0.16092) | 96.67th | v5 (v2026.06.15) |
| Aug 23, 2026 | 14.64% (0.14636) | 96.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 16.09% (0.16092) | 96.50th | v5 (v2026.06.15) |
| Nov 21, 2025 | 48.38% (0.48375) | 97.60th | v4 (v2025.03.14) |
| Nov 18, 2025 | 59.70% (0.59696) | 98.20th | v4 (v2025.03.14) |
| May 1, 2025 | 48.38% (0.48375) | 97.58th | v4 (v2025.03.14) |
| Mar 30, 2025 | 50.22% (0.50217) | 97.60th | v4 (v2025.03.14) |
| Mar 29, 2025 | 62.84% (0.62844) | 97.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 50.22% (0.50217) | 97.56th | v4 (v2025.03.14) |
| Dec 17, 2024 | 10.99% (0.10989) | 95.10th | v3 (v2023.03.01) |
| Dec 12, 2024 | 2.34% (0.02337) | 90.15th | v3 (v2023.03.01) |
| Feb 11, 2024 | 2.34% (0.02343) | 89.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.51% (0.02510) | 88.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.44% (0.01440) | 73.47th | v2 (v2022.01.01) |
| Feb 28, 2023 | 1.44% (0.01440) | 73.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.44% (0.01440) | 71.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.44% (0.01440) | 50.53th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.09% (0.01095) | 29.04th | v1 |
| Jan 6, 2022 | 1.09% (0.01095) | 28.40th | v1 |
| Sep 1, 2021 | 1.09% (0.01095) | 65.96th | v1 |
| Apr 14, 2021 | 1.09% (0.01095) | 0.00th | v1 |
References (2)
- https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02 x_refsource_MISCThird Party AdvisoryUS Government Resource
- https://www.tenable.com/security/research/tra-2018-26 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02 | x_refsource_MISCThird Party AdvisoryUS Government Resource | |
| https://www.tenable.com/security/research/tra-2018-26 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.