CVE-2021-33002
Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an...
Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an attacker to execute arbitrary code. User interaction is require on the WebAccess HMI Designer (versions 2.1.9.95 and prior).
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an attacker to execute arbitrary code. User interaction is require on the WebAccess HMI Designer (versions 2.1.9.95 and prior).
- Record
CVE-2021-33002- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an attacker to execute arbitrary code. User interaction is require on the WebAccess HMI Designer (versions 2.1.9.95 and prior).
- Record
CVE-2021-33002- Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2021-19723 No score
Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an attacker to execute arbitrary code. User interaction is require on the WebAccess HMI Designer (versions 2.1.9.95 and prior).
- Record
EUVD-2021-19723- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rv7f-8vhf-g8q8 No score
Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an...
Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an attacker to execute arbitrary code. User interaction is require on the WebAccess HMI Designer (versions 2.1.9.95 and prior).
- Record
GHSA-rv7f-8vhf-g8q8- Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33002 is a high vulnerability (CVSS 7.8) in Advantech Webaccess Hmi Designer, published June 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.