CVE-2021-33009 json
mySCADA myPRO Unrestricted Upload of File with Dangerous Type
published 4y ago modified 4mo ago also EUVD-2021-19730
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload arbitrary files to the file system.
Patch / fix
- mySCADA myPRO 8.20.0
Is CVE-2021-33009 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-217-03 updated cvss 7.5
ICSA-21-217-03_mySCADA myPRO
-
mySCADA myPRO < 8.20.0affected: mitigation “mySCADA recommends users apply update v8.20.0 or later.” myscada.org
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
1.27% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- mySCADA myPRO
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
myscada.org
/version-8-20-0-released-security-update
release-notes, vendor-advisory
-
cisa.gov
/uscert/ics/advisories/icsa-21-217-03
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-33009
- NVD CVE-2021-33009
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