How severe is CVE-2017-2391?

CVE-2017-2391 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2017-2391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2391?

CVE-2017-2391 primarily affects Apple Keynote. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-2391?

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

When was CVE-2017-2391 published?

CVE-2017-2391 was published on 2017-04-02 and last updated on 2026-06-17.

CVE-2017-2391

CVE-2017-2391 is a medium-severity vulnerability in Apple Keynote with a CVSS 3.x base score of 5.3. 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-326.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Apple Keynote
Published: 2017-04-02
Last modified: 2026-06-17

Description

An issue was discovered in certain Apple products. Pages before 6.1, Numbers before 4.1, and Keynote before 7.1 on macOS and Pages before 3.1, Numbers before 3.1, and Keynote before 3.1 on iOS are affected. The issue involves the "Export" component. It allows users to bypass iWork PDF password protection by leveraging use of 40-bit RC4.

Frequently asked questions

What is CVE-2017-2391?: An issue was discovered in certain Apple products. Pages before 6.1, Numbers before 4.1, and Keynote before 7.1 on macOS and Pages before 3.1, Numbers before 3.1, and Keynote before 3.1 on iOS are affected. The issue involves the "Export" component. It allows users to bypass iWork PDF password protection by leveraging use of 40-bit RC4.
How severe is CVE-2017-2391?: CVE-2017-2391 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2017-2391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2391?: CVE-2017-2391 primarily affects Apple Keynote. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-2391?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-2391 published?: CVE-2017-2391 was published on 2017-04-02 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:apple:keynote:*:*:*:*:*:mac_os_x:*:*
cpe:2.3:a:apple:numbers:*:*:*:*:*:mac_os_x:*:*
cpe:2.3:a:apple:pages:*:*:*:*:*:mac_os_x:*:*
cpe:2.3:a:apple:keynote:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:apple:numbers:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:apple:pages:*:*:*:*:*:iphone_os:*:*

More vulnerabilities in Apple Keynote

CVE-2013-5148 — High (CVSS 7.2): Apple Keynote before 6.0 does not properly handle the interaction between Keynote presentation mode and the Screen Lock…
CVE-2015-7033 — Medium (CVSS 6.8): The Apple iWork application before 2.6 for iOS, Apple Keynote before 6.6, Apple Pages before 5.6, and Apple Numbers…
CVE-2025-46306 — Medium (CVSS 5.5): The issue was addressed with improved bounds checks. This issue is fixed in Keynote 15.1, iOS 26 and iPadOS 26, macOS…
CVE-2015-3784 — Medium (CVSS 5.0): Office Viewer in Apple iOS before 8.4.1 and OS X before 10.10.5 allows remote attackers to read arbitrary files via an…
CVE-2005-1408 — Medium (CVSS 5.0): Apple Keynote 2.0 and 2.0.1 allows remote attackers to read arbitrary files via the keynote: URI handler in a crafted…
CVE-2015-7032 — Medium (CVSS 4.3): The Apple iWork application before 2.6 for iOS, Apple Keynote before 6.6, Apple Pages before 5.6, and Apple Numbers…

All CVEs affecting Apple Keynote →

Other CWE-326 (Inadequate Encryption Strength) vulnerabilities

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CVE-2014-9199 — Critical (CVSS 10.0): The Clorius Controls Java web client before 01.00.0009g allows remote attackers to discover credentials by sniffing the…
CVE-2018-25272 — Critical (CVSS 9.8): ELBA5 5.8.0 contains a remote code execution vulnerability that allows attackers to obtain database credentials and…
CVE-2025-12478 — Critical (CVSS 9.8): Non-Compliant TLS Configuration.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .
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