Threats / Android / CVE-2011-1823
CVE-2011-1823
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Android OS vulnerability
The vold volume manager daemon in Android OS improperly trusts PF_NETLINK socket messages, allowing local attackers to execute arbitrary code and gain root privileges.
Verdict
Today item — known-exploited.
A local privilege escalation vulnerability in Android's vold daemon enables attackers with basic system access to obtain root-level control through malicious netlink socket messages, bypassing normal permission boundaries.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
2 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08).
Probability (EPSS)
EPSS 0.41634 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Android, Android OS. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-189 CWE-189.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
WeaknessCWE-189 · CWE-189
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a malicious PF_NETLINK socket message targeting the vold daemon.
Business
An unprivileged application or process gains the ability to execute code with root privileges on the device.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I exploit the daemon's failure to validate message sources to inject commands that execute with elevated permissions.
Business
Complete device compromise occurs, including access to sensitive user data, system settings, and the ability to install persistent malware.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05