Security readout for executives and security teams
Plain-English summary
This is a low-severity privacy issue in vivo Framework Services. On affected vivo software releases, a malicious local app may obtain sensitive WiFi information because the framework handles that information improperly. The source bundle does not identify the exact WiFi fields exposed or any confirmed exploitation.
Executive priority
Treat as low priority unless vivo devices are common in the environment or WiFi privacy is business-sensitive. Address through normal mobile device patching and fleet hygiene rather than emergency response.
Technical view
CVE-2020-12492 affects vivo Framework versions described as ard11 and below releases before 2022-02-24. The CVSS 4.0 vector is local, low complexity, low privileges, user interaction required, and limited confidentiality impact. CWE-306 is listed, but the source bundle gives limited implementation detail.
Likely exposure
Exposure is most likely in fleets that include vivo devices running affected Framework builds released before 2022-02-24. Organizations without vivo Android devices are unlikely to be affected based on the provided sources.
Exploitation context
No active exploitation is reported in the provided sources, and the CVE is not listed as KEV. Exploitation appears to require a malicious local application, low privileges, user interaction, and specific attack prerequisites.
Researcher notes
The public bundle lacks exploit mechanics, patch identifiers, and exact data exposure details. Validation should remain inventory-focused and source-grounded. Do not infer broader Android impact beyond vivo Framework as described.
Mitigation direction
- Check vivo advisory and device update channels for fixed firmware guidance.
- Update or replace affected vivo devices released before 2022-02-24.
- Restrict installation of untrusted applications on managed vivo devices.
- Use MDM controls to enforce current firmware and app hygiene.
Validation and detection
- Inventory vivo devices in corporate and BYOD fleets.
- Compare Framework or firmware release dates against the affected range.
- Confirm whether affected devices have received vendor updates after 2022-02-24.
- Review MDM app inventories for untrusted or risky local applications.
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-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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-2020-12492 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
- Low
- CVSS
- 1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA: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:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
1LowVector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.vivo.com/en/support/security-advisory-detail?id=12CVE 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.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.