How severe is CVE-2021-32930?

CVE-2021-32930 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32930?

CVE-2021-32930 affects Advantech Iview. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32930?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-32930 published?

CVE-2021-32930 was published on 2021-06-11 and last updated on 2026-06-17.

CVE-2021-32930

CVE-2021-32930 is a critical-severity vulnerability in Advantech Iview with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Advantech Iview
Published: 2021-06-11
Last modified: 2026-06-17

Description

The affected product’s configuration is vulnerable due to missing authentication, which may allow an attacker to change configurations and execute arbitrary code on the iView (versions prior to v5.7.03.6182).

Frequently asked questions

What is CVE-2021-32930?: The affected product’s configuration is vulnerable due to missing authentication, which may allow an attacker to change configurations and execute arbitrary code on the iView (versions prior to v5.7.03.6182).
How severe is CVE-2021-32930?: CVE-2021-32930 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32930 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32930?: CVE-2021-32930 affects Advantech Iview. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32930?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-32930 published?: CVE-2021-32930 was published on 2021-06-11 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-154-01

Affected products (1)

cpe:2.3:a:advantech:iview:*:*:*:*:*:*:*:*

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