CVE-2022-20056 json
In preloader (usb), there is a possible out of bounds write due to a missing bounds check.
published 2022-03-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-25316
- cvss
- 6.6
- 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 preloader (usb), there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, for an attacker who has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS06160806; Issue ID: ALPS06160820.
Exploit prediction
0.14% 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 | 6.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- MediaTek, Inc. MT6761, MT6762, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6893, MT8183, MT8185, MT8321, MT8385, MT8666, MT8667, MT8675, MT8735A, MT8735B, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
corp.mediatek.com
/product-security-bulletin/March-2022
vendor-advisory
Sources
- CVE List CVE-2022-20056
- NVD CVE-2022-20056
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.