CVE-2021-26828
high · 8.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Added 2025-12-03Remediation due 2025-12-24
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.
8.8
CVSS
39.4%
EPSS (exploit prob.)
99th
EPSS percentile
2021-06-11
Published
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-434
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| scadabr | scadabr | <= 0.9.1 |
| linux | linux_kernel | all versions |
| scadabr | scadabr | <= 1.12.4 |
| microsoft | windows | all versions |
Check a specific version with /api/v1/cve/match.
References
- http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4
- http://packetstormsecurity.com/files/162564/ScadaBR-1.0-1.1CE-Linux-Shell-Upload.html
- https://youtu.be/k1teIStQr1A
- http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4
- http://packetstormsecurity.com/files/162564/ScadaBR-1.0-1.1CE-Linux-Shell-Upload.html
- https://youtu.be/k1teIStQr1A
- https://github.com/SCADA-LTS/Scada-LTS/pull/2174
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26828
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2021-26828