What is CVE-2017-2390?

CVE-2017-2390 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2017-04-02.

How severe is CVE-2017-2390?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Apple Iphone OS

CVE-2017-2390

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves symlink mishandling in the "libarchive" component. It allows local users to change arbitrary directory permissions via unspecified vectors.

Published 2017-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

www.securityfocus.com/bid/97137 (VDB Entry, Third Party Advisory, vdb-entry)
support.apple.com/HT207601 (Vendor Advisory)
support.apple.com/HT207615 (Vendor Advisory)
www.securitytracker.com/id/1038138 (vdb-entry)
support.apple.com/HT207602 (Vendor Advisory)
support.apple.com/HT207617 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-2390?: CVE-2017-2390 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2017-04-02.
How severe is CVE-2017-2390?: Medium severity. CVSS v3 base score is 5.5 out of 10.