CVE-2021-33013
mySCADA myPRO Improper Access Control
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive system information.
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
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
mySCADA myPRO Improper Access Control
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive system information.
- Record
CVE-2021-33013- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2021-19734
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive system information.
- Record
EUVD-2021-19734- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w56g-56mr-h79p
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive...
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive system information.
- Record
GHSA-w56g-56mr-h79p- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-284, CWE-862
- Updated
- 2026-11-02
NVD
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive system information.
- Record
CVE-2021-33013- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-284, CWE-862
- 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-2021-33013 is a high vulnerability (CVSS 8.2) 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 0.86%, the 58th percentile. No source names a fixed version.