01 Record
CVE-2024-20056
In preloader, there is a possible escalation of privilege due to an insecure default value. This could lead to local escalation of privilege with System execution privileges needed. User interaction
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 preloader, there is a possible escalation of privilege due to an insecure default value. This could lead to local escalation of privilege with System execution privileges needed. User interaction
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 0.5% 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
- Analyzed. 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
- 2024-05-06 02:51Z2 YR AGO
- Last updated
- 2025-03-13 17:25Z1 YR AGO
- Reserved
- 2023-11-02
- 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-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- fdd13a58b9738dacf947efdd952d667d4543ed3df749abe0510bac89c3c58b0e
05 Affected products
VendorProductVersionsPlatforms
MediaTek, Inc.MT6739, MT6761, MT6765, MT6768, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6855, MT6873, MT6880, MT6885, MT6886, MT6890, MT6893, MT6895, MT6897, MT6983, MT6985, MT6989, MT8666, MT8667, MT8673, MT8676, MT8678Android 12.0, 13.0, 14.0 / OpenWRT 19.07, 21.02, 23.05 / RDK-B 2022q3—
06 References
- corp.mediatek.comhttps://corp.mediatek.com/product-security-bulletin/May-2024