SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-21042

Dual Messenger allows installation of an arbitrary APK with resultant privileged code execution.

CRITICAL 9.8EPSS 0.63%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered on Samsung mobile devices with N(7.x), O(8.x), and P(9.0) software. Dual Messenger allows installation of an arbitrary APK with resultant privileged code execution. The Samsung ID is SVE-2018-13299 (December 2018).

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.63% probability · 50th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-862
Affected
google/android
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.63%27 October 202627 October 2026

EPSS 0.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.