CVE-2011-1823: in the CISA KEV catalogue
Android OS Privilege Escalation Vulnerability. CISA added CVE-2011-1823 to the Known Exploited Vulnerabilities catalogue on 2022-09-08 with a default due date of 2022-09-29. Known ransomware campaign use: Unknown. Forensic triage flag: No.
The vold volume manager daemon in Android kernel trusts messages from a PF_NETLINK socket, which allows an attacker to execute code and gain root privileges. This vulnerability is associated with GingerBreak and Exploit.AndroidOS.Lotoor. (CISA description)
- Vendor / product
- Android Android OS
- CWE
- CWE-189
- CISA required action
- Apply updates per vendor instructions.
- EPSS
- 41%, percentile 98 (scored 2026-11-03)
EPSS puts about 41 in 100 odds (41%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 98% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2011-1823 in the CISA KEV catalogue?
Yes. CISA added CVE-2011-1823 (Android OS Privilege Escalation Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2022-09-08. CISA's default due date for it is 2022-09-29.
Is CVE-2011-1823 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2011-1823. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2011-1823?
CISA's required action: Apply updates per vendor instructions.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2011-1823