How severe is CVE-2017-18302?

CVE-2017-18302 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-18302 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18302?

CVE-2017-18302 primarily affects Qualcomm Msm8996au Firmware. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-18302?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-18302 published?

CVE-2017-18302 was published on 2018-09-20 and last updated on 2026-06-17.

CVE-2017-18302

CVE-2017-18302 is a medium-severity vulnerability in Qualcomm Msm8996au Firmware with a CVSS 3.x base score of 4.7. 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-362.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
CVSS v2: 4.7
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Qualcomm Msm8996au Firmware
Published: 2018-09-20
Last modified: 2026-06-17

Description

In Snapdragon (Automobile ,Mobile) in version MSM8996AU, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, Snapdragon_High_Med_2016, a crafted HLOS client can modify the structure in memory passed to a QSEE application between the time of check and the time of use, resulting in arbitrary writes to TZ kernel memory regions.

Frequently asked questions

What is CVE-2017-18302?: In Snapdragon (Automobile ,Mobile) in version MSM8996AU, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, Snapdragon_High_Med_2016, a crafted HLOS client can modify the structure in memory passed to a QSEE application between the time of check and the time of use, resulting in arbitrary writes to TZ kernel memory regions.
How severe is CVE-2017-18302?: CVE-2017-18302 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-18302 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18302?: CVE-2017-18302 primarily affects Qualcomm Msm8996au Firmware. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-18302?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18302 published?: CVE-2017-18302 was published on 2018-09-20 and last updated on 2026-06-17.

References

Affected products (19)

cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd425_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd427_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd435_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd625_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd652_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd820a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sda660_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm429_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm439_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm630_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm632_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm636_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm660_firmware:-:*:*:*:*:*:*:*

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