CRITICAL
Advantech WebAccess 8.3.4 is vulnerable to file upload attacks via unauthenticated RPC call
Published Apr 9, 2019
9.8
CRITICALCVSS 3.0
EPSS 4.08%
Description
Advantech WebAccess 8.3.4 is vulnerable to file upload attacks via unauthenticated RPC call. An unauthenticated, remote attacker can use this vulnerability to execute arbitrary code.
Affected products
-
- Version 8.3.4StatusaffectedConstraints-
- Version
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.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.08% 0.04082
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.04082
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.08% (0.04082) | 90.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.08% (0.04082) | 89.37th | v5 (v2026.06.15) |
| Mar 10, 2026 | 3.74% (0.03742) | 87.82th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.02% (0.05023) | 88.74th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.54% (0.12542) | 89.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.55% (0.04546) | 88.44th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.81% (0.00811) | 81.95th | v3 (v2023.03.01) |
| Apr 2, 2024 | 0.81% (0.00811) | 81.41th | v3 (v2023.03.01) |
| Nov 23, 2023 | 0.59% (0.00594) | 75.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.77% (0.00770) | 78.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.43% (0.02432) | 81.60th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.43% (0.02432) | 79.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 23.85% (0.23850) | 95.09th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.23% (0.06231) | 82.49th | v1 |
| Jan 6, 2022 | 6.23% (0.06231) | 82.32th | v1 |
| Sep 1, 2021 | 1.46% (0.01459) | 72.46th | v1 |
| Apr 14, 2021 | 1.46% (0.01459) | 0.00th | v1 |
Weaknesses (1)
References (2)
- http://www.securityfocus.com/bid/107847 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://www.tenable.com/security/research/tra-2019-15 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/107847 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://www.tenable.com/security/research/tra-2019-15 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner tenable
Published Apr 9, 2019
Updated Aug 4, 2024
Reserved Jan 3, 2019
Link CVE-2019-3940
CISA Vulnrichment
Updated n/a