PT-2021-17449 · Unknown · Webaccess/Scada

Chizuru Toyama · Published 2021-03-18 · Updated 2021-03-25 · CVE-2021-27436

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 9.0 and prior

Description The issue allows an attacker to send malicious JavaScript code to an unsuspecting user, which could result in hijacking of the user’s cookie/session tokens, redirecting the user to a malicious webpage, and performing unintended browser actions.

Recommendations For versions 9.0 and prior, update to a version later than 9.0 to resolve the issue. As a temporary workaround, consider restricting access to sensitive areas of the WebAccess/SCADA system to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-27436

Affected Products

Webaccess/Scada

References · 5

• https://osv.dev/vulnerability/CVE-2021-27436 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27436 · Security Note
• https://t.me/cibsecurity/25157 · Telegram Post
• https://us-cert.cisa.gov/ics/advisories/icsa-21-075-01 · Note
• https://t.me/cvenotify/11551 · Telegram Post