Incorrect permissions are set to default on the ‘Project Management’ page of WebAccess/SCADA portal of WebAccess/SCADA Versions 9.0.1 and p…

published 2021-04-26 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9805

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-103-02 updated 2021-04-13 cvss 8.8

Advantech WebAccessSCADA

Advantech WebAccess/SCADA <= 9.0.1
affected: mitigation “Advantech recommends users update to Version 9.0.3 or later.” advantech.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

n/a Advantech WebAccess/SCADA

Classification

Weakness

CWE-732 Incorrect Permission Assignment for Critical Resource

References

us-cert.cisa.gov /ics/advisories/icsa-21-103-02
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-22669
NVD CVE-2021-22669

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary