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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (62.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Advantech Webaccess\/hmi Designer
- Webaccess Hmi Designer — versions versions 2.1.9.95 and prior
Weakness classification (CWE)
References
- us-cert.cisa.gov/ics/advisories/icsa-21-173-01 (US Government Resource, Third Party Advisory)
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.