How severe is CVE-2017-8248?

CVE-2017-8248 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-2017-8248 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8248?

CVE-2017-8248 affects Apple Iphone Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-8248?

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-2017-8248 published?

CVE-2017-8248 was published on 2017-08-16 and last updated on 2026-06-17.

CVE-2017-8248

CVE-2017-8248 is a critical-severity vulnerability in Apple Iphone Os 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Iphone Os
Published: 2017-08-16
Last modified: 2026-06-17

Description

A buffer overflow may occur in the processing of a downlink NAS message in Qualcomm Telephony as used in Apple iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation.

Frequently asked questions

What is CVE-2017-8248?: A buffer overflow may occur in the processing of a downlink NAS message in Qualcomm Telephony as used in Apple iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation.
How severe is CVE-2017-8248?: CVE-2017-8248 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-2017-8248 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8248?: CVE-2017-8248 affects Apple Iphone Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-8248?: 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-2017-8248 published?: CVE-2017-8248 was published on 2017-08-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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