How severe is CVE-2017-15861?

CVE-2017-15861 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-2017-15861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15861?

CVE-2017-15861 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-15861?

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-2017-15861 published?

CVE-2017-15861 was published on 2018-02-23 and last updated on 2026-06-17.

CVE-2017-15861

CVE-2017-15861 is a high-severity vulnerability in Google Android 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-129.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-129
Affected product: Google Android
Published: 2018-02-23
Last modified: 2026-06-17

Description

In all Qualcomm products with Android releases from CAF using the Linux kernel, in the function wma_roam_synch_event_handler, vdev_id is received from firmware and used to access an array without validation.

Frequently asked questions

What is CVE-2017-15861?: In all Qualcomm products with Android releases from CAF using the Linux kernel, in the function wma_roam_synch_event_handler, vdev_id is received from firmware and used to access an array without validation.
How severe is CVE-2017-15861?: CVE-2017-15861 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-2017-15861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15861?: CVE-2017-15861 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15861?: 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-2017-15861 published?: CVE-2017-15861 was published on 2018-02-23 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2018-02-01

Affected products (1)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

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