01 Record
CVE-2023-20746
In vcu, there is a possible out of bounds write due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for
MediumPUBLISHEDCNA: MediaTek
CNA base score6.7 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
02 Description
In vcu, there is a possible out of bounds write due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.07% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 0.1% of scored records. A rank, not a probability.
- NVD base score
- 6.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/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
- 2023-06-06 12:11Z3 YR AGO
- Last updated
- 2025-01-07 19:22Z1 YR AGO
- Reserved
- 2022-10-28
- Assigning CNA
- MediaTek
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.7)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-667Improper LockingClass
- Data version
- 5.1
- Document digest
- db88af7a06ac4bb0b805b152894af4e56231e096a7955a9ab2c68283e4b5b04d
05 Affected products
VendorProductVersionsPlatforms
MediaTek, Inc.MT6789, MT6855, MT8167, MT8168, MT8173, MT8185, MT8195, MT8321, MT8365, MT8395, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797Android 12.0, 13.0 / Yocto 4.0 / Iot-Yocto 22.2—
06 References
- corp.mediatek.comhttps://corp.mediatek.com/product-security-bulletin/June-2023