CVE-2018-9840
N/A
Published: April 10, 2018 at 05:00 AM UTC
Updated: June 17, 2026 at 02:07 AM UTC
1 product affected across 1 vendorSignal
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
N/A
Exploit prediction
EPSS 0.4%
Description
The Open Whisper Signal app before 2.23.2 for iOS allows physically proximate attackers to bypass the screen locker feature via certain rapid sequences of actions that include app opening, clicking on cancel, and using the home button.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCBroken LinkThird Party Advisory
Source: [email protected]
http://nint.en.do/Signal-Bypass-Screen-locker.phpx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/signalapp/Signal-iOS/commit/018a35df7b42b4941cb4dfc9f462b37c3fafd9e9x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/signalapp/Signal-iOS/commits/release/2.23.2Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card