CVE-2021-26828
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
39.4%
98.5th percentile
CISA KEV
Listed
Added 2025-12-03 · patch by 2025-12-24
Weakness / dates
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Published — · modified —
Timeline
- 2025-12-03 — Added to CISA KEV (actively exploited)
- 2025-12-24 — CISA patch-by deadline
Description
OpenPLC ScadaBR contains an unrestricted upload of file with dangerous type vulnerability that allows remote authenticated users to upload and execute arbitrary JSP files via view_edit.shtm.