CVE-2011-1823 Android CVE debrief

Who should care

Teams responsible for Android device fleets, mobile security teams, MDM/UEM administrators, and organizations that depend on Android OS deployments should prioritize this issue.

Technical summary

The available official metadata describes the issue only at a high level: an Android OS privilege-escalation vulnerability. CISA’s KEV record confirms known exploitation and references vendor guidance for remediation, but the supplied corpus does not include a CVSS score, affected-build range, or a technical exploit description. Defenders should use the official CVE, NVD, and CISA KEV references to validate scope and ensure patched Android builds are deployed.

Defensive priority

High — CISA KEV inclusion means this vulnerability should be treated as a priority remediation item, with patching and verification completed against vendor guidance as soon as possible.

Recommended defensive actions

• Apply Android vendor updates per the vendor instructions referenced by CISA.
• Inventory Android devices and identify any systems that may still be on unpatched builds.
• Use MDM/UEM compliance checks to confirm remediation across the fleet.
• Retire or isolate devices that can no longer receive security updates.
• Review the official CVE and NVD records for any additional references or scope details.

Evidence notes

The source corpus is limited to official records: the CISA KEV JSON entry marks CVE-2011-1823 as a known exploited Android OS privilege-escalation vulnerability, lists Android as the vendor project, and states the required action is to apply updates per vendor instructions. The KEV metadata also includes references to an Android source change and the NVD entry. No CVSS score or affected-version details were supplied in the corpus, and known ransomware campaign use is listed as Unknown.

Official resources