Security readout for executives and security teams
Plain-English summary
CVE-2023-20944 is an Android privilege escalation flaw. A local attacker with low privileges could gain higher access on affected Android versions without user interaction. The business risk is highest for unmanaged or slow-to-patch Android devices that may still run vulnerable builds.
Executive priority
Treat as a high-priority mobile patching item, especially where Android devices access corporate data or identity systems.
Technical view
The issue is unsafe deserialization in ChooseTypeAndAccountActivity.java run, tracked as CWE-502 and Android ID A-244154558. Android lists affected versions as Android 10, 11, 12, 12L, and 13. CVSS 3.1 is 7.8, with local attack vector, low complexity, low privileges, and no user interaction.
Likely exposure
Exposure is likely limited to Android 10 through Android 13 devices that have not received the February 2023 Android security update or later OEM-equivalent patches.
Exploitation context
The supplied sources do not show active exploitation, and the CVE is not listed as KEV. Exploitation is local, requires low privileges, and does not require user interaction.
Researcher notes
Sources identify the vulnerable component and impact but do not provide patch diff details, exploit indicators, or device-specific OEM status. Validate through Android security patch level and vendor bulletin mapping, not by attempting exploitation.
Mitigation direction
- Apply the Android security update from the February 2023 bulletin or a later vendor build.
- Prioritize managed devices running Android 10 through Android 13 without the relevant security patch level.
- Use MDM policy to reduce installation of untrusted apps while patch coverage is verified.
- Check OEM/carrier advisories for device-specific patch availability and timelines.
Validation and detection
- Inventory Android devices and OS versions across fleets.
- Confirm each device has a February 2023 or later Android security patch level.
- Track exceptions for Android 10 through 13 devices lacking vendor fixes.
- Review mobile threat or MDM telemetry for unknown local apps on unpatched devices.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-20944 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2023-02-01CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.