CVE-2021-33009
mySCADA myPRO Unrestricted Upload of File with Dangerous Type
mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload arbitrary files to the file system.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
mySCADA myPRO Unrestricted Upload of File with Dangerous Type
mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload arbitrary files to the file system.
- Record
CVE-2021-33009- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
EUVDEUVD-2021-19730
mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload arbitrary files to the file system.
- Record
EUVD-2021-19730- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wvx8-9374-g4w7
mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload...
mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload arbitrary files to the file system.
- Record
GHSA-wvx8-9374-g4w7- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
NVD
mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload arbitrary files to the file system.
- Record
CVE-2021-33009- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33009 is a high vulnerability (CVSS 7.5) in Myscada Mypro, published May 13, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.27%, the 69th percentile. No source names a fixed version.