TI-2021-12628 Aliases CVE-2021-33021 GHSA-8c36-rqcc-rv4q

xArrow SCADA Cross-site Scripting

LOW 29CWE-79Published 2022-05-16 · Updated 2025-04-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

xArrow SCADA versions 7.2 and prior is vulnerable to cross-site scripting due to parameter ‘edate’ of the resource xhisalarm.htm, which may allow an unauthorized attacker to execute arbitrary code.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00824 57th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
xArrow	xArrow SCADA	up to 7.2	—	No fix listed	CNA

xArrow SCADA VendorxArrow Affected up to 7.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:xarrow:xarrow::::::::	up to 7.2	Vulnerable	xArrow

cpe:2.3:a:xarrow:xarrow:*:*:*:*:*:*:*:* Versions up to 7.2 Vulnerable ·xArrow

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-33021
2026-10-03 Alias added: GHSA-8c36-rqcc-rv4q

References

Advisory 1

https://www.cisa.gov/uscert/ics/advisories/icsa-21-229-03

TI-2012-02154 Integer overflow in the server in xArrow before 3.4.1 allows remote attackers to execute… CVSS 2.0HIGH 10.0
TI-2012-02153 Heap-based buffer overflow in the server in xArrow before 3.4.1 allows remote attackers… CVSS 2.0HIGH 10.0
TI-2012-02155 The server in xArrow before 3.4.1 performs an invalid read operation, which allows remote… CVSS 2.0HIGH 10.0
TI-2012-02152 The server in xArrow before 3.4.1 does not properly allocate memory, which allows remote… CVSS 2.0HIGH 7.8
TI-2021-12632 xArrow SCADA Path Traversal CVSS 3.1HIGH 7.8
TI-2021-12609 xArrow SCADA Cross-site Scripting CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences