CVE-2021-26829
5.4 Moyenne Exploitée activementCatalogue CISA KEV — OpenPLC ScadaBR Cross-site Scripting Vulnerability
Ajoutée le 28/11/2025 · Échéance de correction (agences US) : 19/12/2025
Action requise : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description
OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 5.4 Moyenne | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| 3.1 | 5.4 Moyenne | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| 2.0 | 3.5 Faible | nvd@nist.gov (NVD) | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Faiblesses (CWE)
Références
- http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4 Vendor Advisory
- https://youtu.be/Xh6LPCiLMa8 ExploitThird Party Advisory
- http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4 Vendor Advisory
- https://youtu.be/Xh6LPCiLMa8 ExploitThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26829 US Government Resource
- https://www.forescout.com/blog/anatomy-of-a-hacktivist-attack-russian-aligned-group-targets-otics/ Third Party Advisory