PT-2019-16801 · Advantech · Webaccess

Published 2019-12-12 · Updated 2019-12-18 · CVE-2019-3951

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Advantech WebAccess versions prior to 8.4.3

Description The issue allows unauthenticated remote attackers to execute arbitrary code or cause a denial of service due to a stack-based buffer overflow when handling IOCTL 70533 RPC messages.

Recommendations For versions prior to 8.4.3, update to version 8.4.3 or later to resolve the issue.

Exploit

Fix

RCE

DoS

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

CVE-2019-3951

Affected Products

Webaccess

References · 3

• 🔥 https://tenable.com/security/research/tra-2019-52 · Exploit
• https://osv.dev/vulnerability/CVE-2019-3951 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-3951 · Security Note