HOMEVULNERABILITIESCVE-2021-22669
HIGH

CVE-2021-22669

CWE-732Published: April 26, 2021· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Incorrect permissions are set to default on the ‘Project Management’ page of WebAccess/SCADA portal of WebAccess/SCADA Versions 9.0.1 and prior, which may allow a low-privileged user to update an administrator’s password and login as an administrator to escalate privileges on the system.

NVD Source

Technical Analysis

CVE-2021-22669 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 8.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

advantech1 product(s)
webaccess\/scada
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

https://us-cert.cisa.gov/ics/advisories/icsa-21-103-02Third Party Advisory · US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-02Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2021-22669
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-732
CISA KEVNo
Affected1 vendor(s)
PublishedApr 26, 2021

Related CVEs (CWE-732)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-22669 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.