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No exploitation reportedFix available

CVE-2021-33005

No exploitation reported by the sources we read.

  • Published2022-05-13
  • Fixed in8.20.0
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload arbitrary files to arbitrary directories.

Timeline

dates in UTC
  1. 2022-05-1316:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-33005?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-33005?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Myscada mypro
BranchAffectedFixed in
8.20< 8.20.08.20.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-21-217-03 CISA1 known affected

    ICSA-21-217-03_mySCADA myPRO

    myPRO: All versions prior to 8.20.0

Full record on NVD

Fix

  1. Update Myscada mypro to 8.20.0
  2. Mitigation from the vendor CISA ICSA-21-217-03 · 1 productmySCADA recommends users apply update v8.20.0 or later.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-04-16
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.17.5read 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-22read 2026-10-23
  • FIRST EPSSEPSS score1.6 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
2022-05-13
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-33005?

mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload arbitrary files to arbitrary directories.

Is CVE-2021-33005 actively exploited?

Active exploitation of CVE-2021-33005 has not been confirmed. Its EPSS score was 1.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-33005?

CVE-2021-33005 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Running ICSA-21-217-03_mySCADA myPRO? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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