Security readout for executives and security teams
Plain-English summary
This Android kernel issue could let a local app or user read sensitive information from memory. It does not require user interaction, but it does require local access and does not indicate remote compromise or system takeover from the provided sources.
Executive priority
Treat as a moderate mobile fleet hygiene issue. It is not presented as remotely exploitable, but information disclosure from local access can matter on devices with sensitive data. Ensure patch compliance through normal Android update channels.
Technical view
CVE-2023-20949 affects Android kernel code in s2mpg11_pmic_probe within s2mpg11-regulator.c. The source describes a possible out-of-bounds read caused by heap buffer overflow, leading to local information disclosure. CVSS 3.1 is 5.5 with local attack vector, low complexity, low privileges, and high confidentiality impact.
Likely exposure
Exposure is most relevant to Android devices running affected Android kernel builds, including devices covered by the referenced February 2023 Pixel security bulletin. The bundle does not identify specific device models, kernel versions, or OEM backport status beyond Android kernel.
Exploitation context
The bundle does not cite active exploitation, public exploit availability, or inclusion in CISA KEV. Exploitation requires local access with low privileges and no user interaction, so risk is higher on devices where untrusted apps or users can execute locally.
Researcher notes
Public detail is limited. The CVE names s2mpg11_pmic_probe in s2mpg11-regulator.c and maps to CWE-787, while the description emphasizes out-of-bounds read and information disclosure. No patch diff, exploit evidence, or affected device matrix is included in the provided bundle.
Mitigation direction
- Apply relevant Android or OEM security updates for affected kernel builds.
- Review the February 2023 Pixel bulletin and vendor advisories for device-specific status.
- Prioritize managed devices that store sensitive business or personal data.
- If no update is available, follow vendor guidance for compensating controls.
Validation and detection
- Inventory Android devices and record OS, kernel, OEM, and patch level.
- Confirm whether February 2023 or later relevant security fixes are installed.
- Check vendor release notes for CVE-2023-20949 or Android ID A-259323133.
- Review mobile threat management findings for outdated Android kernel builds.
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-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2023-20949 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/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:L/UI:N/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/pixel/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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.