01 Record
CVE-2022-20073
In preloader (usb), there is a possible out of bounds write due to a integer underflow. This could lead to local escalation of privilege, for an attacker who has physical access to the device, with no
UnratedPUBLISHEDCNA: MediaTek
CNA base scoreUnratedNo CNA CVSS vector
02 Description
In preloader (usb), there is a possible out of bounds write due to a integer underflow. This could lead to local escalation of privilege, for an attacker who has physical access to the device, with no
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 7.4% of scored records. A rank, not a probability.
- NVD base score
- 6.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-04-11 19:38Z4 YR AGO
- Last updated
- 2024-08-03 02:02Z2 YR AGO
- Reserved
- 2021-10-12
- Assigning CNA
- MediaTek
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-191Integer Underflow (Wrap or Wraparound)Base
- Data version
- 5.1
- Document digest
- a47f57f5bd58e95b37cd93c7d6035ddcf9d956fd83133bd1e26232e4fa2c1362
05 Affected products
VendorProductVersionsPlatforms
MediaTek, Inc.MT2601, MT6580, MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6799, MT6833, MT6873, MT6877, MT6885, MT6893, MT8163, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8183, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8667, MT8675, MT8695, MT8696, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797Android 10.0, 11.0, 12.0—
06 References
- corp.mediatek.comhttps://corp.mediatek.com/product-security-bulletin/April-2022