Security readout for executives and security teams
Plain-English summary
CVE-2021-0559 is an Android 11 flaw that may let an attacker remotely disclose information after user interaction. The public record describes an out-of-bounds read caused by a missing bounds check. No CVSS score, CWE, or confirmed active exploitation is provided in the source bundle.
Executive priority
Handle as a patch verification item for Android 11 fleets, not an emergency unless exposed assets are unpatched and unsupported. The impact is information disclosure, but active exploitation is not evidenced here.
Technical view
The issue is in Lag_max of p_ol_wgh.cpp. A missing bounds check can cause an out-of-bounds read, with remote information disclosure impact. The CVE states no additional execution privileges are needed and user interaction is required. Affected product evidence is limited to Android 11.
Likely exposure
Exposure appears limited to Android 11 devices, especially those lacking the relevant Android or OEM security update. The bundle does not identify specific device models beyond the Android and Pixel bulletin reference.
Exploitation context
The CVE record supports remote information disclosure with user interaction. It does not provide exploit details, public exploit evidence, or CISA KEV listing. Treat active exploitation as unconfirmed.
Researcher notes
Public technical detail is sparse. The named function and file suggest a bounds-checking defect, but the bundle does not include patch diff, trigger path, reachable component, CVSS vector, or CWE classification.
Mitigation direction
- Review Android and OEM guidance for CVE-2021-0559.
- Update affected Android 11 devices to fixed vendor security builds.
- Prioritize managed devices that remain on old Android 11 patch levels.
- Track OEM advisories if devices are not Google Pixel models.
Validation and detection
- Inventory Android 11 devices and current security patch levels.
- Check whether vendor advisories list CVE-2021-0559 as fixed.
- Confirm managed devices received the applicable June 2021-era security update.
- Document unsupported devices that cannot receive vendor fixes.
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-2021-0559 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://source.android.com/security/bulletin/pixel/2021-06-01CVE reference · x_refsource_MISC
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.