An authentication bypass vulnerability exists in the Authentication functionality of Weston Embedded uC-FTPs v 1.98.00
Published May 10, 2023
8.6
HIGHCVSS 3.1
EPSS 1.49%
Description
An authentication bypass vulnerability exists in the Authentication functionality of Weston Embedded uC-FTPs v 1.98.00. A specially crafted set of network packets can lead to authentication bypass and denial of service. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability.
Affected products
-
- Version v 1.98.00StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Weston Embedded | uC-FTPs | n/a |
|
- 1.98.00
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:N/I:N/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Jan 24, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2023–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.49% (0.01488) | 73.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.49% (0.01488) | 70.60th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.03% (0.00032) | 6.01th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00115) | 46.85th | v3 (v2023.03.01) |
| Jun 11, 2024 | 0.10% (0.00100) | 41.44th | v3 (v2023.03.01) |
| May 16, 2024 | 0.09% (0.00089) | 37.71th | v3 (v2023.03.01) |
| Apr 9, 2024 | 0.05% (0.00052) | 18.87th | v3 (v2023.03.01) |
| May 19, 2023 | 0.05% (0.00046) | 14.07th | v3 (v2023.03.01) |
| May 11, 2023 | 0.04% (0.00043) | 7.09th | v3 (v2023.03.01) |
References (3)
- https://github.com/weston-embedded/uC-FTPs/pull/1 Patch
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1680 ExploitThird Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1680
| Link | Providers | Tags |
|---|---|---|
| https://github.com/weston-embedded/uC-FTPs/pull/1 | Patch | |
| https://talosintelligence.com/vulnerability_reports/TALOS-2022-1680 | ExploitThird Party Advisory | |
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1680 |
Change history (0)
No recorded changes yet.