CVE-2022-20040 json
In power_hal_manager_service, there is a possible permission bypass due to a stack-based buffer overflow.
published 2022-02-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-25300
- cvss
- 7.8
- 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 2%
- public exploits
- 0
- none known
Summary
In power_hal_manager_service, there is a possible permission bypass due to a stack-based buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06219150; Issue ID: ALPS06219150.
Exploit prediction
0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- MediaTek, Inc. MT6735, MT6737, MT6739, MT6755, MT6757, MT6761, MT6771, MT6779, MT6785, MT6833, MT6853, MT6873, MT6875, MT6877, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8167, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
corp.mediatek.com
/product-security-bulletin/February-2022
vendor-advisory
Sources
- CVE List CVE-2022-20040
- NVD CVE-2022-20040
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