How severe is CVE-2020-14957?

CVE-2020-14957 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14957 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14957?

CVE-2020-14957 affects Arswp Windows Cleanup Assistant. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14957?

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

When was CVE-2020-14957 published?

CVE-2020-14957 was published on 2020-06-30 and last updated on 2026-06-17.

CVE-2020-14957

CVE-2020-14957 is a high-severity vulnerability in Arswp Windows Cleanup Assistant with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.1
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Arswp Windows Cleanup Assistant
Published: 2020-06-30
Last modified: 2026-06-17

Description

In Windows cleaning assistant 3.2, the driver file (AtpKrnl.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x223CCD.

Frequently asked questions

What is CVE-2020-14957?: In Windows cleaning assistant 3.2, the driver file (AtpKrnl.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x223CCD.
How severe is CVE-2020-14957?: CVE-2020-14957 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-14957 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14957?: CVE-2020-14957 affects Arswp Windows Cleanup Assistant. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14957?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-14957 published?: CVE-2020-14957 was published on 2020-06-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:arswp:windows_cleanup_assistant:3.2:*:*:*:*:*:*:*

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