How severe is CVE-2017-18318?

CVE-2017-18318 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-18318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18318?

CVE-2017-18318 primarily affects Qualcomm Msm8996au Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-18318?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-18318 published?

CVE-2017-18318 was published on 2018-11-28 and last updated on 2026-06-17.

CVE-2017-18318

CVE-2017-18318 is a critical-severity vulnerability in Qualcomm Msm8996au Firmware with a CVSS 3.x base score of 9.8. 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Qualcomm Msm8996au Firmware
Published: 2018-11-28
Last modified: 2026-06-17

Description

Missing validation check on CRL issuer name in Snapdragon Automobile, Snapdragon Mobile in versions MSM8996AU, SD 410/12, SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 810, SD 820, SD 820A.

Frequently asked questions

What is CVE-2017-18318?: Missing validation check on CRL issuer name in Snapdragon Automobile, Snapdragon Mobile in versions MSM8996AU, SD 410/12, SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 810, SD 820, SD 820A.
How severe is CVE-2017-18318?: CVE-2017-18318 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-18318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18318?: CVE-2017-18318 primarily affects Qualcomm Msm8996au Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-18318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-18318 published?: CVE-2017-18318 was published on 2018-11-28 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_410_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_412_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_425_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_625_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_652_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_810_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_820a_firmware:-:*:*:*:*:*:*:*

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