An exploitable file write vulnerability exists in the memory module functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before
Published Jun 4, 2018
7.5
HIGHCVSS 3.0
EPSS 2.68%
Description
An exploitable file write vulnerability exists in the memory module functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a file write resulting in a new program being written to the memory module. An attacker can send an unauthenticated packet to trigger this vulnerability.
Affected products
-
- Version Allen Bradley Micrologix 1400 Series B FRN 21.2 Allen Bradley Micrologix 1400 Series B FRN 21.0 Allen Bradley Micrologix 1400 Series B FRN 15StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Talos | Allen Bradley | n/a |
|
- ≤ 21.2
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:H/A:N
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
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 v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.68% (0.02679) | 85.29th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.68% (0.02679) | 83.81th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00062) | 26.84th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.06% (0.00062) | 26.80th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00063) | 24.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v1 |
| Jan 6, 2022 | 0.42% (0.00416) | 9.79th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0444 x_refsource_MISCExploitMitigationThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0444 | x_refsource_MISCExploitMitigationThird Party Advisory |
Change history (0)
No recorded changes yet.