How severe is CVE-2021-42833?

CVE-2021-42833 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-42833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42833?

CVE-2021-42833 primarily affects Xylem Aquaview. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-42833?

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-2021-42833 published?

CVE-2021-42833 was published on 2022-02-07 and last updated on 2026-06-17.

CVE-2021-42833

CVE-2021-42833 is a critical-severity vulnerability in Xylem Aquaview with a CVSS 3.x base score of 9.3. 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
CVSS v2: 4.6
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Xylem Aquaview
Published: 2022-02-07
Last modified: 2026-06-17

Description

A Use of Hardcoded Credentials vulnerability exists in AquaView versions 1.60, 7.x, and 8.x that could allow an authenticated local attacker to manipulate users and system settings.

Frequently asked questions

What is CVE-2021-42833?: A Use of Hardcoded Credentials vulnerability exists in AquaView versions 1.60, 7.x, and 8.x that could allow an authenticated local attacker to manipulate users and system settings.
How severe is CVE-2021-42833?: CVE-2021-42833 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-42833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42833?: CVE-2021-42833 primarily affects Xylem Aquaview. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-42833?: 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-2021-42833 published?: CVE-2021-42833 was published on 2022-02-07 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:xylem:aquaview:*:*:*:*:*:*:*:*
cpe:2.3:a:xylem:aquaview:1.60:*:*:*:*:*:*:*

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