CVE-2019-3940 — CRITICAL (9.8)

Vulnerability 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 Score

9.8

CRITICAL

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

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Advantech	Webaccess	8.3.4

Related Weaknesses (CWE)

CWE-434

References

http://www.securityfocus.com/bid/107847Third Party AdvisoryVDB Entry
https://www.tenable.com/security/research/tra-2019-15Third Party Advisory
http://www.securityfocus.com/bid/107847Third Party AdvisoryVDB Entry
https://www.tenable.com/security/research/tra-2019-15Third Party Advisory

FAQ

What is CVE-2019-3940?

CVE-2019-3940 is a vulnerability with a CVSS score of 9.8 (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.

How severe is CVE-2019-3940?

CVE-2019-3940 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-3940?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess.