CVE-2019-3940 json
Advantech WebAccess 8.3.4 is vulnerable to file upload attacks via unauthenticated RPC call.
published 2019-04-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13547
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.1%
- EPSS 4.1% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
4.08% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Advantech WebAccess
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
tenable.com
/security/research/tra-2019-15
third-party-advisory
-
securityfocus.com
/bid/107847
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2019-3940
- NVD CVE-2019-3940
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