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CVE-2021-42706

nvd nist
Published: Nov 15, 2021Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

This vulnerability could allow an attacker to disclose information and execute arbitrary code on affected installations of WebAccess/MHI Designer

Affected (1)

Advantech
1 product
Webaccess Hmi Designer
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Webaccess Hmi Designer
Before 2.1.11.0

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (2)

Source: ics-cert@hq.dhs.gov
Third Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryUS Government Resource

Timeline

No history available yet.