Local information disclosure via out-of-bounds write
Published Mar 4, 2024 · Updated Mar 28, 2025
Out-of-bounds write in MediaTek OPTEE on Android 13 allows local users with System privileges to disclose information without interaction. An incorrect bounds check permits a write beyond an undisclosed buffer, but MediaTek has not identified the affected function or input. Exploitation requires existing System privileges, and the reported consequence is limited to local information disclosure.
Summary
What happened
Out-of-bounds write in MediaTek OPTEE on Android 13 allows local users with System privileges to disclose information without interaction. An incorrect bounds check permits a write beyond an undisclosed buffer, but MediaTek has not identified the affected function or input. Exploitation requires existing System privileges, and the reported consequence is limited to local information disclosure.
The record
- CVE
- CVE-2024-20020
- Published
- Mar 4, 2024
- Updated
- Mar 28, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-787
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Mar 4, 2024CVE publishedPublication date reported by the CVE source.
- Mar 28, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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