PT-2021-4445 · Unknown · Xarrow Scada

Michael Heinzl + 1 · Published 2021-08-18 · Updated 2022-05-25 · CVE-2021-33021

Positive Technologies (AI Summary)

CVSS v2.0

6.4

Medium

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions xArrow SCADA versions 7.2 and prior

Description The issue is related to a cross-site scripting vulnerability due to the edate parameter of the xhisalarm.htm resource. This may allow an unauthorized attacker to execute arbitrary code. The vulnerability is associated with a lack of protection for the web page structure, which can be exploited by a remote attacker to perform cross-site scripting attacks.

Recommendations For xArrow SCADA versions 7.2 and prior, consider disabling the xhisalarm.htm resource or restricting access to the edate parameter until a patch is available. As a temporary workaround, avoid using the edate parameter in the affected resource to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2021-05075

CVE-2021-33021

Affected Products

Xarrow Scada

References · 7

• https://bdu.fstec.ru/vul/2021-05075 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-33021 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33021 · Vendor Advisory
• https://t.me/cvenotify/30712 · Telegram Post
• https://t.me/cibsecurity/42770 · Telegram Post
• http://ics-cert.us-cert.gov/advisories/icsa-21-229-03 · Note
• https://cisa.gov/uscert/ics/advisories/icsa-21-229-03 · Note