© 2026 vulntracker.io

CVE-2013-4787

N/A

Published: July 9, 2013 at 05:00 PM UTC

Updated: June 16, 2026 at 11:57 PM UTC

1 product affected across 1 vendorAndroid

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

Start Free Sign In

Severity

N/A

Exploit prediction

EPSS 14%

Description

Android 1.6 Donut through 4.2 Jelly Bean does not properly check cryptographic signatures for applications, which allows attackers to execute arbitrary code via an application package file (APK) that is modified in a way that does not violate the cryptographic signature, probably involving multiple entries in a Zip file with the same name in which one entry is validated but the other entry is installed, aka Android security bug 8219321 and the "Master Key" vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Android · Google

95%

1.6 2.0 2.0.1 2.1 2.2 2.2 rev1 2.2.1 2.2.2 2.2.3 2.3 2.3 rev1 2.3.1 2.3.2 2.3.3 2.3.4 2.3.5 2.3.6 2.3.7 3.0 3.1 3.2 3.2.1 3.2.2 3.2.4 3.2.6 4.0 4.0.1 4.0.2 4.0.3 4.0.4 4.1 4.1.2 4.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

x_refsource_MISC

Source: [email protected]

http://bluebox.com/corporate-blog/bluebox-uncovers-android-master-key/

x_refsource_MISC

Source: [email protected]

http://review.cyanogenmod.org/#/c/45251/

VDB Entryx_refsource_OSVDB

Source: [email protected]

http://www.osvdb.org/94773

VDB Entryx_refsource_BID

Source: [email protected]

http://www.securityfocus.com/bid/60952

x_refsource_MISC

Source: [email protected]

http://www.zdnet.com/google-releases-fix-to-oems-for-blue-security-android-security-hole-7000017782/

x_refsource_MISC

Source: [email protected]

https://jira.cyanogenmod.org/browse/CYAN-1602

x_refsource_MISC

Source: [email protected]

https://plus.google.com/113331808607528811927/posts/GxDA6111vYy

CVSS

9.3HIGH[email protected]

Confidentiality: COMPLETE
Integrity: COMPLETE
Availability: COMPLETE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-310

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.

Create account Sign in

Free plan, no card