A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C Versions 21.002 and earlier
Published Jan 9, 2018
10.0
CRITICALCVSS 3.0
EPSS 7.20%
Description
A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C Versions 21.002 and earlier. The stack-based buffer overflow vulnerability has been identified, which may allow remote code execution.
Affected products
- Vendor n/a Product Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers Defaultn/a
- Version Rockwell Automation Allen-Bradley MicroLogix 1400 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 Allen-Bradley MicroLogix 1400 Controllers | n/a |
|
Configuration 1
- ≤ 21.002
Running on/with
- n/a
Configuration 2
- ≤ 21.002
Running on/with
- n/a
Configuration 3
- ≤ 21.002
Running on/with
- n/a
Configuration 4
- ≤ 21.002
Running on/with
- n/a
Configuration 5
- ≤ 21.002
Running on/with
- n/a
Configuration 6
- ≤ 21.002
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:C/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 (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.20% (0.07204) | 94.12th | v5 (v2026.06.15) |
| Sep 22, 2026 | 7.14% (0.07145) | 93.99th | v5 (v2026.06.15) |
| Sep 21, 2026 | 11.17% (0.11169) | 95.81th | v5 (v2026.06.15) |
| Sep 6, 2026 | 7.14% (0.07145) | 93.84th | v5 (v2026.06.15) |
| Sep 5, 2026 | 11.17% (0.11169) | 95.72th | v5 (v2026.06.15) |
| Aug 30, 2026 | 7.14% (0.07145) | 93.81th | v5 (v2026.06.15) |
| Aug 28, 2026 | 11.17% (0.11169) | 95.69th | v5 (v2026.06.15) |
| Aug 24, 2026 | 7.14% (0.07145) | 93.77th | v5 (v2026.06.15) |
| Aug 23, 2026 | 11.17% (0.11169) | 95.68th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.28% (0.07280) | 93.55th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.20% (0.00198) | 39.76th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.69% (0.03685) | 91.63th | v3 (v2023.03.01) |
| Dec 20, 2023 | 1.85% (0.01845) | 86.98th | v3 (v2023.03.01) |
| Nov 19, 2023 | 1.57% (0.01572) | 85.83th | v3 (v2023.03.01) |
| Jun 2, 2023 | 1.13% (0.01133) | 82.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.22% (0.01216) | 83.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.79% (0.05785) | 90.41th | v2 (v2022.01.01) |
| Oct 6, 2022 | 5.79% (0.05785) | 90.03th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.63% (0.05634) | 89.29th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.63% (0.05634) | 76.84th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.83% (0.01828) | 35.38th | v1 |
| Jan 6, 2022 | 1.83% (0.01828) | 34.69th | v1 |
| Sep 1, 2021 | 1.83% (0.01828) | 74.99th | v1 |
| Apr 14, 2021 | 1.83% (0.01828) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/102474 vdb-entryx_refsource_BIDMitigationThird Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-009-01 x_refsource_MISCThird Party AdvisoryUS Government Resource
- https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1070883 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/102474 | vdb-entryx_refsource_BIDMitigationThird Party AdvisoryVDB Entry | |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-009-01 | x_refsource_MISCThird Party AdvisoryUS Government Resource | |
| https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1070883 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.