CVE-2021-27505
mySCADA myPRO Exposure of Information Through Directory Listing
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive directory listing 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
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
mySCADA myPRO Exposure of Information Through Directory Listing
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive directory listing information.
- Record
CVE-2021-27505- 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-548
- Updated
- 2026-11-02
EUVDEUVD-2021-14259
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive directory listing information.
- Record
EUVD-2021-14259- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5crv-26fx-6c29
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 directory listing information.
- Record
GHSA-5crv-26fx-6c29- 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-548
- Updated
- 2026-11-02
NVD
mySCADA myPRO versions prior to 8.20.0 does not restrict unauthorized read access to sensitive directory listing information.
- Record
CVE-2021-27505- 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-548
- 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-2021-27505 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 1.08%, the 65th percentile. No source names a fixed version.