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CVE-2019-3940
CRITICAL
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.
Published: Apr 9, 2019
Modified: Jun 17, 2026
CWE-434
CWE-434
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| advantech | webaccess | 8.3.4 |
GitHub Security Advisory GHSA-frgm-mc5h-57vv
Advantech WebAccess 8.3.4 is vulnerable to file upload attacks via unauthenticated RPC call. An...
References (4)
- http://www.securityfocus.com/bid/107847 Third Party Advisory, VDB Entry
- https://www.tenable.com/security/research/tra-2019-15 Third Party Advisory
- http://www.securityfocus.com/bid/107847 Third Party Advisory, VDB Entry
- https://www.tenable.com/security/research/tra-2019-15 Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
4.08%
Top 10% most likely to be exploited
Threat Score
40.4 / 100
Data Sources
NVD
EPSS
GitHub