Critical severity · published Apr 9, 2019
CVE-2019-3940
Advantech WebAccess 8.3.4 is vulnerable to file upload attacks via unauthenticated RPC call
9.8
CVSS
4.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
Webaccess · Advantech
8.3.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3940
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3940
Third Party Advisory
http://www.securityfocus.com/bid/107847
Third Party Advisory
https://www.tenable.com/security/research/tra-2019-15
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