Security readout for executives and security teams
Plain-English summary
CVE-2023-20772 is a MediaTek Android local privilege escalation issue. A missing permission check in the “vow” component could let a local attacker gain higher privileges without user interaction. The sources do not provide CVSS, severity, exploit evidence, or detailed remediation beyond MediaTek patch ID ALPS07441796.
Executive priority
Treat this as an inventory and patch-management priority for MediaTek-based Android fleets. Business urgency is unclear without severity scoring or exploit evidence, but local privilege escalation on mobile endpoints can become material when updates lag.
Technical view
The CVE record describes an escalation-of-privilege flaw in MediaTek “vow” caused by a missing permission check. It affects many MediaTek chipsets running Android 12.0 and 13.0. Exploitation is local, requires no additional execution privileges, and does not require user interaction. No CWE, CVSS vector, or technical root-cause detail is provided.
Likely exposure
Exposure is most likely on Android 12 or 13 devices using the listed MediaTek chipsets. Risk depends on OEM firmware status and whether updates containing ALPS07441796 were shipped and installed.
Exploitation context
The source bundle does not show active exploitation, and this CVE is not listed as KEV. The stated attack context is local privilege escalation without user interaction or additional execution privileges.
Researcher notes
Public details are sparse. The CVE confirms component, weakness class, affected chipsets, Android versions, local attack context, and patch ID, but does not disclose primitives, affected code paths, exploitability constraints, or proof-of-concept status.
Mitigation direction
- Check MediaTek July 2023 guidance for patch ID ALPS07441796.
- Deploy OEM firmware updates that include ALPS07441796 when available.
- Prioritize managed Android 12 and 13 devices using listed MediaTek chipsets.
- Limit untrusted app installation until affected devices are updated.
Validation and detection
- Inventory Android devices for listed MediaTek chipsets and Android 12 or 13.
- Confirm installed firmware includes the OEM update for ALPS07441796.
- Review vendor bulletins for device-specific update availability.
- Track exceptions where OEM firmware no longer receives security updates.
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.
CVE-2023-20772 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://corp.mediatek.com/product-security-bulletin/July-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.