CVE-2015-3784

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 XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

Published: 2015-08-16 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-3784 is rated Moderate Risk (50.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.50%). Core evidence: EPSS rose +1.63% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-3784

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.87% 2.50% +1.63%
2 2025-06-11 0.80% 0.87% +0.07%
3 2025-05-25 0.80%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3784

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-3784

Affected software / configurations for CVE-2015-3784

Vendor Product Version Raw CPE
apple mac_os_x <= 10.10.4 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple iphone_os <= 8.4 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple numbers <= 3.5 cpe:2.3:a:apple:numbers:*:*:*:*:*:*:*:*
apple keynote <= 6.5 cpe:2.3:a:apple:keynote:*:*:*:*:*:*:*:*
apple pages <= 5.5.3 cpe:2.3:a:apple:pages:*:*:*:*:*:*:*:*
apple iwork <= 2.5.4 cpe:2.3:a:apple:iwork:*:*:*:*:*:*:*:*

References for CVE-2015-3784

cvelogic Threat Intelligence