SB2021062335 - Multiple vulnerabilities in ScadaBR

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Main Vulnerability Database SB2021062335

SB2021062335 - Multiple vulnerabilities in ScadaBR

Published: June 23, 2021 Updated: December 3, 2025

Security Bulletin ID SB2021062335
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Arbitrary file upload (CVE-ID: CVE-2021-26828)

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Green


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote user can upload a malicious file and execute it on the server.


2) Stored cross-site scripting (CVE-ID: CVE-2021-26829)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:A/U:Green


The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References