How severe is CVE-2017-2403?

CVE-2017-2403 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2403 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2403?

CVE-2017-2403 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2403?

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-2017-2403 published?

CVE-2017-2403 was published on 2017-04-02 and last updated on 2026-06-17.

CVE-2017-2403

CVE-2017-2403 is a high-severity vulnerability in Apple Mac Os X with a CVSS 3.x base score of 8.8. 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-134.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Apple Mac Os X
Published: 2017-04-02
Last modified: 2026-06-17

Description

An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves the "Printing" component. A format-string vulnerability allows remote attackers to execute arbitrary code via a crafted ipp: or ipps: URL.

Frequently asked questions

What is CVE-2017-2403?: An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves the "Printing" component. A format-string vulnerability allows remote attackers to execute arbitrary code via a crafted ipp: or ipps: URL.
How severe is CVE-2017-2403?: CVE-2017-2403 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2403 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2403?: CVE-2017-2403 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2403?: 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-2017-2403 published?: CVE-2017-2403 was published on 2017-04-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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