How severe is CVE-2015-3215?

CVE-2015-3215 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-2015-3215 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3215?

CVE-2015-3215 affects Redhat Virtio-win. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3215?

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-2015-3215 published?

CVE-2015-3215 was published on 2017-06-26 and last updated on 2026-06-17.

CVE-2015-3215

CVE-2015-3215 is a high-severity vulnerability in Redhat Virtio-win 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Redhat Virtio-win
Published: 2017-06-26
Last modified: 2026-06-17

Description

The NetKVM Windows Virtio driver allows remote attackers to cause a denial of service (guest crash) via a crafted length value in an IP packet, as demonstrated by a value that does not account for the size of the IP options.

Frequently asked questions

What is CVE-2015-3215?: The NetKVM Windows Virtio driver allows remote attackers to cause a denial of service (guest crash) via a crafted length value in an IP packet, as demonstrated by a value that does not account for the size of the IP options.
How severe is CVE-2015-3215?: CVE-2015-3215 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-2015-3215 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3215?: CVE-2015-3215 affects Redhat Virtio-win. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3215?: 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-2015-3215 published?: CVE-2015-3215 was published on 2017-06-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:virtio-win:-:*:*:*:*:*:*:*

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