CVE-2021-26829

moderate-risk
Published 2021-06-11

OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.

Do I need to act?

~
6.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Scadabr

References (6)

Vendor Advisory http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3...
Exploit https://youtu.be/Xh6LPCiLMa8
Vendor Advisory http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3...
Exploit https://youtu.be/Xh6LPCiLMa8
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
Third Party Advisory https://www.forescout.com/blog/anatomy-of-a-hacktivist-attack-russian-aligned-gr...
42
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 16/34 · Moderate
Exposure 5/34 · Minimal