01 Record
CVE-2023-20716
In wlan, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed
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 wlan, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed
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
- 0.09% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 0.6% 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 18:47Z1 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-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- 17b2824324e28daab530c1ecdbf98d21bfeb5234eb4299ad311db107d632356d
05 Affected products
VendorProductVersionsPlatforms
MediaTek, Inc.MT5221, MT6789, MT6855, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8673, MT8695, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797Android 12.0, 13.0 / Yocto 4.0 / Iot-Yocto 22.2 / Linux 4.19 (For MT5221 only)—
06 References
- corp.mediatek.comhttps://corp.mediatek.com/product-security-bulletin/June-2023