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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

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.

CVSS 8.8 · HighBuzz score 42.5KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 42.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 11.0 · diversity 6.5 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
25.0
Known exploited vulnerability present
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
2 source links · newest first
  • U.S. CISA adds a new an OpenPLC ScadaBR flaw to its Known Exploited Vulnerabilities catalogSecurity Affairs

    U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a new OpenPLC ScadaBR flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added an OpenPLC ScadaBR flaw, tracked as CVE-2021-26828 (CVSS Score of 8.7), to its Known Exploited Vulnerabilities (KEV) catalog. The vulnerability is an unrestricted upload of file with dangerous type vulnerability. “OpenPLC […]

    newssecurityaffairs.comDec 4, 2025, 9:56 PM
  • CISA Warns of ScadaBR Vulnerability After Hacktivist ICS AttackSecurityWeek

    CISA has added CVE-2021-26829 to its Known Exploited Vulnerabilities (KEV) catalog.

    newswww.securityweek.comDec 1, 2025, 11:06 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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