TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to bypass access restriction and to stop the network functions or execute malware via a specially crafted packet
Published Mar 16, 2020
9.8
CRITICALCVSS 3.1
EPSS 2.34%
Description
TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to bypass access restriction and to stop the network functions or execute malware via a specially crafted packet.
Affected products
-
- Version IU1-1M20-D firmware version 1.0.7 and earlierStatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mitsubishi Electric Corporation | Mitsubishi Electric MELQIC IU1 series | n/a |
|
- ≤ 1.0.7
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
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 3, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.34% (0.02345) | 83.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.29% (0.02287) | 80.87th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.90% (0.00900) | 82.89th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.90% (0.00900) | 82.50th | v3 (v2023.03.01) |
| Dec 1, 2023 | 0.94% (0.00941) | 81.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.66% (0.00665) | 76.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.43% (0.03427) | 68.31th | v1 |
| Jan 6, 2022 | 3.43% (0.03427) | 68.01th | v1 |
| Sep 1, 2021 | 0.78% (0.00785) | 52.07th | v1 |
| Apr 14, 2021 | 0.78% (0.00785) | 0.00th | v1 |
No CWE recorded.
References (2)
- https://jvn.jp/en/vu/JVNVU92370624/index.html x_refsource_MISCThird Party Advisory
- https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2019-004.pdf x_refsource_MISCPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://jvn.jp/en/vu/JVNVU92370624/index.html | x_refsource_MISCThird Party Advisory | |
| https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2019-004.pdf | x_refsource_MISCPatchVendor Advisory |
Change history (0)
No recorded changes yet.