Security readout for executives and security teams
Plain-English summary
CVE-2023-20606 affects MediaTek apusys on specific chipsets running Android 12.0 or 12.1. A local attacker who already has high privileges could read information from memory. It is not remote, needs no user interaction, and sources do not show active exploitation.
Executive priority
Treat as moderate priority. It is not a remote takeover issue, but it can expose sensitive memory after privileged local compromise. Address through normal Android firmware patch governance, with higher priority for sensitive mobile fleets.
Technical view
The issue is a CWE-125 out-of-bounds read caused by a missing bounds check in apusys. CVSS 3.1 is 4.4: local attack vector, low complexity, high privileges required, no user interaction, unchanged scope, high confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is likely limited to devices using MediaTek MT6879, MT6895, or MT6983 chipsets on Android 12.0 or 12.1. Risk is highest for managed Android fleets where privileged local compromise is plausible.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not marked KEV. Exploitation requires local access with System-level execution privileges, so this is mainly a post-compromise information disclosure risk.
Researcher notes
Public detail is limited to the affected chipsets, Android versions, CWE, CVSS vector, and MediaTek patch ID. Sources do not name vulnerable code paths, proof-of-concept activity, exploitation in the wild, or OEM-specific fixed build numbers.
Mitigation direction
- Identify affected MediaTek chipset models and Android versions in device inventory.
- Apply OEM or MediaTek firmware updates that include patch ALPS07571104.
- Check vendor guidance where patch availability is unclear.
- Prioritize devices handling sensitive enterprise or customer data.
- Replace or isolate devices that cannot receive security updates.
Validation and detection
- Confirm device model, chipset, Android version, and security patch status.
- Map OEM firmware notes to MediaTek patch ID ALPS07571104 where possible.
- Use MDM reporting to verify update deployment across managed devices.
- Review unsupported Android 12 devices for retirement or compensating controls.
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
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ATT&CK lookup starting points
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CWE-125: Exact CWE lookup
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Open ATT&CK lookupCVE-2023-20606 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
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:H/UI:N/S:U/C:H/I:N/A:N0.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://corp.mediatek.com/product-security-bulletin/February-2023CVE 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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.