An issue was discovered in certain Apple products. iOS before 10.3 is affected. The issue involves the "Quick Look" component. It allows remote attackers to trigger telephone calls to arbitrary numbers via a tel: URL in a PDF document, as exploited in the wild in October 2016.
CVE-2017-2404
LOWNVD 3.37.5▲
EchelonGraph scoreMEDIUM confidence
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 3.3; sources differ by 4.2.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
3.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 3.3Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.3
- EG Score
- 7.5(medium)
- EPSS
- 69.9%
- KEV
- Not listed
Published
April 2, 2017
Last Modified
May 13, 2026
References (8)
- product-security@applehttp://www.securityfocus.com/bid/97138
- product-security@applehttp://www.securitytracker.com/id/1038139
- product-security@applehttps://support.apple.com/HT207617
- product-security@applehttps://www.engadget.com/2017/03/31/apple-fixes-ios-loophole-911-overload/
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/97138
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1038139
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207617
- af854a3a-2127-422b-91ae-364da2661108https://www.engadget.com/2017/03/31/apple-fixes-ios-loophole-911-overload/
Data Freshness Timeline
(refreshed 11× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2017-2404?
CVE-2017-2404 is a low vulnerability published on April 2, 2017. An issue was discovered in certain Apple products. iOS before 10.3 is affected. The issue involves the "Quick Look" component. It allows remote attackers to trigger telephone calls to arbitrary numbers via a tel: URL in a PDF document, as exploited in the wild in October 2016.
When was CVE-2017-2404 disclosed?
CVE-2017-2404 was first published in the National Vulnerability Database on April 2, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-2404 actively exploited?
CVE-2017-2404 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-2404?
CVE-2017-2404 has a CVSS v3 base score of 3.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.
How do I remediate CVE-2017-2404?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-2404, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2017-2404
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