PT-2020-12987 · Advantech · Webaccess Node

Published 2020-05-14 · Updated 2021-09-23 · CVE-2020-12019

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 WebAccess Node versions 8.4.4 and prior

Description The issue is related to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code. There is no information provided about the estimated number of potentially affected devices worldwide or details about real-world incidents where this issue was exploited.

Recommendations For versions 8.4.4 and prior, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2020-12019

ZDI-20-654

ZDI-20-655

Affected Products

Webaccess Node

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2020-12019 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-20-655 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-20-654 · Security Note
• https://osv.dev/vulnerability/CVE-2020-12019 · Vendor Advisory
• https://us-cert.gov/ics/advisories/icsa-20-161-01 · Note
• https://t.me/cvenotify/21332 · Telegram Post