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CVE-2021-26828
CWE-434
Critical
97.2
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
Description
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.
Source: NVD
Signals
- CVSS
- 8.8
- High · v3.1
- EPSS
- 39.35%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Dec 2025
- Fix commit
- No known fix commit
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-434
- Published
- 11 Jun 2021
- Last modified 4 Dec 2025
How to read these signals: RPS · EPSS · CISA KEV · Data sources
Get this score from the API
curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
https://api.intelligence.devsecure.io/api/v1/rps/CVE-2021-26828Replace the placeholder with your key. Get a free API key or rank your own CVEs.
Data as of 7 Oct 2026, 05:16 UK time