An Improper Input Validation issue was discovered in Rockwell Automation MicroLogix 1100 controllers 1763-L16BWA, 1763-L16AWA, 1763-L16BBB, and 1763-L16DWD
Published Sep 20, 2017
7.5
HIGHCVSS 3.0
EPSS 22.18%
Description
An Improper Input Validation issue was discovered in Rockwell Automation MicroLogix 1100 controllers 1763-L16BWA, 1763-L16AWA, 1763-L16BBB, and 1763-L16DWD. A remote, unauthenticated attacker could send a single, specially crafted Programmable Controller Communication Commands (PCCC) packet to the controller that could potentially cause the controller to enter a DoS condition.
Affected products
- Vendor n/a Product Rockwell Automation MicroLogix 1100 Controllers Defaultn/a
- Version Rockwell Automation MicroLogix 1100 ControllersStatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Rockwell Automation MicroLogix 1100 Controllers | n/a |
|
Configuration 1
- n/a
Running on/with
- n/a
Configuration 2
- n/a
Running on/with
- n/a
Configuration 3
- n/a
Running on/with
- n/a
Configuration 4
- n/a
Running on/with
- n/a
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:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 22.18% (0.22182) | 97.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 22.18% (0.22182) | 97.37th | v5 (v2026.06.15) |
| Mar 30, 2025 | 9.95% (0.09954) | 92.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.88% (0.08876) | 87.42th | v4 (v2025.03.14) |
| Mar 19, 2025 | 9.95% (0.09954) | 92.04th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.57% (0.06570) | 90.45th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.35% (0.03345) | 91.20th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.21% (0.00205) | 59.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00208) | 56.93th | v3 (v2023.03.01) |
| Mar 6, 2023 | 31.79% (0.31792) | 97.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 31.79% (0.31792) | 96.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.52% (0.05521) | 79.91th | v1 |
| Jan 6, 2022 | 5.52% (0.05521) | 79.71th | v1 |
| Sep 1, 2021 | 5.52% (0.05521) | 88.55th | v1 |
| Apr 14, 2021 | 5.52% (0.05521) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/99622 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-138-03 x_refsource_MISCMitigationThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/99622 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://ics-cert.us-cert.gov/advisories/ICSA-17-138-03 | x_refsource_MISCMitigationThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.