Vulnerability in N/a
CVE-2021-26828
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.
EPSS: 0.784 (99.1th percentile) — read the EPSS interpretation.
Affected products
- N/a — versions n/a
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Public proof-of-concept exploits
References
- youtu.be/k1teIStQr1A (x_refsource_MISC)
- packetstormsecurity.com/files/162564/ScadaBR-1.0-1.1CE-Linux-Shell-Upload.html (x_refsource_MISC)
- forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-26828?
- CVE-2021-26828 is a vulnerability in N/a. Published 2021-06-11.
- Is CVE-2021-26828 known to be exploited?
- Yes. CVE-2021-26828 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-12-03), indicating it is being actively exploited. 26 public proof-of-concept repositories are indexed.