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Intelligence for Africa and the Gulf

AEGLIX vulnerability intelligence

CVE-2021-26828

HIGH · CVSS 8.8 · Analyzed

Published: 2021-06-11 · Updated: 2026-06-17 · Source: NVD

Vulnerability overview

OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows remote authenticated users to upload and execute arbitrary JSP files via view_edit.shtm.

Severity and scoring

CVSS score
8.8 · HIGH
CVSS version
3.1
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-434

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product
OpenPLC · ScadaBR
Added to catalog
2025-12-03
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA remediation due date
2025-12-24

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:scadabr:scadabr:*:*:*:*:*:*:*:*

    Through (inclusive): 0.9.1

  • cpe:2.3:a:scadabr:scadabr:*:*:*:*:*:*:*:*

    Through (inclusive): 1.12.4

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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