Security readout for executives and security teams
CVE-2023-20937 is an Android kernel memory-corruption flaw. An attacker who already has local code running on a vulnerable Android device could potentially gain higher privileges. It does not require user interaction, but the source bundle does not show remote exploitation or confirmed active exploitation. Exposure is most likely on Android devices running vulnerable Android kernel builds that have not received the relevant February 2023 Android security bulletin or OEM/carrier update. Risk depends on device model, kernel branch, and vendor patch delivery. Treat this as a high-priority mobile fleet patching issue. It is not evidenced as remotely exploitable or actively exploited in the supplied sources, but successful exploitation could give an attacker broad control over an already-accessed Android device. Mitigation focus: Apply Android or OEM security updates covering the February 2023 bulletin.; Prioritize managed, shared, or high-privilege-user Android devices.; Check OEM and carrier guidance for model-specific kernel patch availability..
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
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2023-20937 mapping review
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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.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.