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7.5
CVE-2019-3942: Advantech WebAccess 8.3.4 does not properly restrict an RPC call that allows unauthenticated, remote users to read files. An attacker can use this vulnerability to recover the administrator password.
CVE-2019-3942 · published 6 years ago
Summary
Advantech WebAccess 8.3.4 does not properly restrict an RPC call that allows unauthenticated, remote users to read files. An attacker can use this vulnerability to recover the administrator password.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| advantech | webaccess |
8.3.4 cpe:2.3:a:advantech:webaccess:8.3.4:*:*:*:*:*:*:* |
Original advisory text
Advantech WebAccess 8.3.4 does not properly restrict an RPC call that allows unauthenticated, remote users to read files. An attacker can use this vulnerability to recover the administrator password.
Advantech WebAccess 8.3.4 does not properly restrict an RPC call that allows unauthenticated, remote users to read files. An attacker can use this vulnerability to recover the administrator password.
References
- https://www.tenable.com/security/research/tra-2019-15 Third Party Advisory
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-284Improper Access Control
CWE-522Insufficiently Protected Credentials
Timeline
Published1 Apr 2020
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2019-3942 · NVD
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