How severe is CVE-2021-22658?

CVE-2021-22658 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-2021-22658 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22658?

CVE-2021-22658 affects Advantech Iview. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22658?

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-2021-22658 published?

CVE-2021-22658 was published on 2021-02-11 and last updated on 2026-06-17.

CVE-2021-22658

CVE-2021-22658 is a critical-severity vulnerability in Advantech Iview with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Advantech Iview
Published: 2021-02-11
Last modified: 2026-06-17

Description

Advantech iView versions prior to v5.7.03.6112 are vulnerable to a SQL injection, which may allow an attacker to escalate privileges to 'Administrator'.

Frequently asked questions

What is CVE-2021-22658?: Advantech iView versions prior to v5.7.03.6112 are vulnerable to a SQL injection, which may allow an attacker to escalate privileges to 'Administrator'.
How severe is CVE-2021-22658?: CVE-2021-22658 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-2021-22658 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22658?: CVE-2021-22658 affects Advantech Iview. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22658?: 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-2021-22658 published?: CVE-2021-22658 was published on 2021-02-11 and last updated on 2026-06-17.

References

Affected products (1)

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

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