CVE-2021-0677 json
In ccu driver, there is a possible out of bounds read due to an integer overflow.
published 2021-12-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-3296
- cvss
- 4.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 1%
- public exploits
- 0
- none known
Summary
In ccu driver, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05827154; Issue ID: ALPS05827154.
Exploit prediction
0.12% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- n/a MT6833, MT6853, MT6873, MT6877, MT6885, MT6889, MT8771, MT8791
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
-
corp.mediatek.com
/product-security-bulletin/December-2021
vendor-advisory
Sources
- CVE List CVE-2021-0677
- NVD CVE-2021-0677
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