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% (77th 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% (77th 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% (77th 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:-:*:*:*:*:*:*:*

More vulnerabilities in Redhat Virtio-win

CVE-2026-5165 — Medium (CVSS 6.7): A flaw was found in virtio-win, specifically within the VirtIO Block (BLK) device. When the device undergoes a reset,…
CVE-2026-5164 — Medium (CVSS 6.7): A flaw was found in virtio-win. The `RhelDoUnMap()` function does not properly validate the number of descriptors…

All CVEs affecting Redhat Virtio-win →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48056 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download video content. Versions prior to 2.5.0…
CVE-2026-33267 — Critical (CVSS 10.0): Improper Input Validation vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.2.0…
CVE-2026-47668 — Critical (CVSS 10.0): DbGate is cross-platform database manager. In versions 7.1.8 and prior, DbGate's JSON script runner (`POST…
CVE-2026-16117 — Critical (CVSS 10.0): Impact: @fastify/http-proxy versions up to and including 11.5.0 fail to rewrite the request prefix when the prefix…
CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →