CVE-2023-20621 | Vulnetix

CVE-2023-20621 PUBLISHED

Reported by mediatek · Published March 7, 2023

In tinysys, 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 for exploitation. Patch ID: ALPS07664755; Issue ID: ALPS07664755.

Affected products

Vendor	Product	Versions
MediaTek, Inc.	MT6739, MT6761, MT6762, MT6765, MT6771, MT6789, MT6879, MT6883, MT6885, MT6893, MT6895, MT6983	Android 10.0, 11.0, 12.0, 13.0
MediaTek, Inc.	MT6739, MT6761, MT6762, MT6765, MT6771, MT6789, MT6879, MT6883, MT6885, MT6893, MT6895, MT6983	Android 10.0, 11.0, 12.0, 13.0

Timeline

Mar 6, 2023 CVE Published
Mar 8, 2023 EPSS Score (30 in total, the first dated here)
Sep 21, 2025 CVE Updated
May 21, 2026 Coalition ESS Score
Jun 2, 2026 Security Advisory

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vulnetix vdb vuln CVE-2023-20621
vulnetix vdb fixes CVE-2023-20621

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  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2023-20621/fixes/registry"

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References

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