HOMEVULNERABILITIESCVE-2021-33025
HIGH

CVE-2021-33025

CWE-79Published: May 16, 2022· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

xArrow SCADA versions 7.2 and prior permits unvalidated registry keys to be run with application-level privileges.

NVD Source

Technical Analysis

CVE-2021-33025 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

xarrow1 product(s)
xarrow
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://www.cisa.gov/uscert/ics/advisories/icsa-21-229-03Third Party Advisory · US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-229-03Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2021-33025
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-79
CISA KEVNo
Affected1 vendor(s)
PublishedMay 16, 2022

Related CVEs (CWE-79)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-33025 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.