Buffer overflow in Advantech Webaccess\/hmi Designer

CVE-2021-33000

Parsing a maliciously crafted project file may cause a heap-based buffer overflow, which may allow an attacker to perform arbitrary code execution. User interaction is required on the WebAccess HMI Designer (versions 2.1.9.95 and prior).

Vulnerability class: Buffer Overflow

EPSS: 0.010 (60.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-33000?
CVE-2021-33000 is a high-severity vulnerability in Advantech Webaccess\/hmi Designer, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-06-24.
How severe is CVE-2021-33000?
High severity. CVSS v3 base score is 7.8 out of 10.