CVE-2021-0407
In clk driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege…
- Published
- Updated
- Reserved
- Assigned by
- google_android
Description
In clk driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05479659; Issue ID: ALPS05479659.
Timeline
ID reserved
By google_android
- 10 months later
· 10 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.12% · top 98% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.7.
Weakness
- Elevation of Privilege
- CWE-787 (opens in a new tab)All about CWE-787 and its CVEs
Affected products
MT6739, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6833, MT6853, MT6853T, MT6873, MT6885, MT6889, MT6893
- affected Android 10.0, 11.0
References (1)
- https://corp.mediatek.com/product-security-bulletin/August-2021 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-0407)Record last updated .