Buffer overflow in Advantech Webaccess\/hmi Designer
CVE-2021-33004
The affected product is vulnerable to memory corruption condition due to lack of proper validation of user supplied files, which may allow an attacker to execute arbitrary code. 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: 0.009 (59.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · 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-2021-33004?
- CVE-2021-33004 is a high-severity vulnerability in Advantech Webaccess\/hmi Designer, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2021-06-24.
- How severe is CVE-2021-33004?
- High severity. CVSS v3 base score is 7.8 out of 10.