How severe is CVE-2020-28346?

CVE-2020-28346 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-28346 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28346?

CVE-2020-28346 affects Projectacrn Acrn. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28346?

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-2020-28346 published?

CVE-2020-28346 was published on 2021-03-26 and last updated on 2026-06-17.

CVE-2020-28346

CVE-2020-28346 is a high-severity vulnerability in Projectacrn Acrn with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Projectacrn Acrn
Published: 2021-03-26
Last modified: 2026-06-17

Description

ACRN through 2.2 has a devicemodel/hw/pci/virtio/virtio.c NULL Pointer Dereference.

Frequently asked questions

What is CVE-2020-28346?: ACRN through 2.2 has a devicemodel/hw/pci/virtio/virtio.c NULL Pointer Dereference.
How severe is CVE-2020-28346?: CVE-2020-28346 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-28346 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28346?: CVE-2020-28346 affects Projectacrn Acrn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28346?: 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-2020-28346 published?: CVE-2020-28346 was published on 2021-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:projectacrn:acrn:*:*:*:*:*:*:*:*

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