What is CVE-2018-19937?

CVE-2018-19937 is a medium-severity vulnerability in Videolan Vlc For Mobile, classified under Improper Authentication. CVSS score: 6.6/10. Published 2018-12-31.

How severe is CVE-2018-19937?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Auth bypass in Videolan Vlc For Mobile

CVE-2018-19937

A local, authenticated attacker can bypass the passcode in the VideoLAN VLC media player app before 3.1.5 for iOS by opening a URL and turning the phone.

Vulnerability class: Broken Authentication

Published 2018-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Videolan Vlc For Mobile

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

itunes.apple.com/ms/app/vlc-for-mobile/id650377962 (Product, Third Party Advisory)
github.com/videolan/vlc-ios/pull/178/commits/d84d7c0a94eb7fba202d2c5fc3739276d2… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-19937?: CVE-2018-19937 is a medium-severity vulnerability in Videolan Vlc For Mobile, classified under Improper Authentication. CVSS score: 6.6/10. Published 2018-12-31.
How severe is CVE-2018-19937?: Medium severity. CVSS v3 base score is 6.6 out of 10.