How severe is CVE-2017-18317?

CVE-2017-18317 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-2017-18317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18317?

CVE-2017-18317 primarily affects Qualcomm Msm8996au Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-18317?

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-2017-18317 published?

CVE-2017-18317 was published on 2018-11-28 and last updated on 2026-06-17.

CVE-2017-18317

CVE-2017-18317 is a high-severity vulnerability in Qualcomm Msm8996au Firmware 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (13th 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

Restrictions related to the modem (sim lock, sim kill) can be bypassed by manipulating the system to issue a deactivation flow sequence in Snapdragon Automobile, Snapdragon Mobile in versions MSM8996AU,SD 410/12,SD 820,SD 820A.

Frequently asked questions

What is CVE-2017-18317?: Restrictions related to the modem (sim lock, sim kill) can be bypassed by manipulating the system to issue a deactivation flow sequence in Snapdragon Automobile, Snapdragon Mobile in versions MSM8996AU,SD 410/12,SD 820,SD 820A.
How severe is CVE-2017-18317?: CVE-2017-18317 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-2017-18317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18317?: CVE-2017-18317 primarily affects Qualcomm Msm8996au Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-18317?: 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-2017-18317 published?: CVE-2017-18317 was published on 2018-11-28 and last updated on 2026-06-17.

References

Affected products (5)

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_820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_820a_firmware:-:*:*:*:*:*:*:*

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