Advantech iView, versions 5.6 and prior, has an improper authentication for critical function (CWE-306) issue.

published 2020-07-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6637

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits: 0; none known

Advantech iView, versions 5.6 and prior, has an improper authentication for critical function (CWE-306) issue. Successful exploitation of this vulnerability may allow an attacker to obtain the information of the user table, including the administrator credentials in plain text. An attacker may also delete the administrator account.

Vendor advisories

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

cisa ICSA-20-196-01 updated 2020-07-14 cvss 8.2

Advantech iView

Advantech iView <=5.6
affected: vendor fix support.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

1.70% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

n/a Advantech iView

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality

References

us-cert.cisa.gov /ics/advisories/icsa-20-196-01
third-party-advisory, us-government-resource
zerodayinitiative.com /advisories/ZDI-20-859/
third-party-advisory

Sources

CVE List CVE-2020-14501
NVD CVE-2020-14501

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