PT-2021-15170 · Unknown · Webaccess/Scada

Chizuru Toyama · Published 2021-08-10 · Updated 2021-08-17 · CVE-2021-22676

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WebAccess/SCADA versions prior to 8.4.5 WebAccess/SCADA versions prior to 9.0.1

Description The issue concerns a cross-site scripting (XSS) vulnerability in the UserExcelOut.asp file within WebAccess/SCADA. This vulnerability could allow an attacker to send malicious JavaScript code, potentially resulting in the hijacking of cookie or session tokens, redirection to a malicious webpage, and unintended browser actions on the WebAccess/SCADA system.

Recommendations For versions prior to 8.4.5, update to version 8.4.5 or later. For versions prior to 9.0.1, update to version 9.0.1 or later. As a temporary workaround, consider restricting access to the UserExcelOut.asp file until a patch is applied.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-22676

Affected Products

Webaccess/Scada

References · 5

• https://osv.dev/vulnerability/CVE-2021-22676 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22676 · Security Note
• https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04 · Note
• https://t.me/cvenotify/19003 · Telegram Post
• https://t.me/cibsecurity/27063 · Telegram Post