CVE-2023-20811 json
In IOMMU, there is a possible out of bounds write due to a missing bounds check.
published 2023-08-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24990
- cvss
- 6.7
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
In IOMMU, 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: DTV03692061; Issue ID: DTV03692061.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
0.09% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- MediaTek, Inc. MT5221, MT5583, MT5691, MT5695, MT9010, MT9011, MT9012, MT9016, MT9020, MT9021, MT9022, MT9030, MT9031, MT9032, MT9216, MT9218, MT9220, MT9221, MT9222, MT9255, MT9256, MT9266, MT9269, MT9286, MT9288, MT9602, MT9610, MT9611, MT9612, MT9613, MT9615, MT9617, MT9618, MT9629, MT9630, MT9631, MT9632, MT9636, MT9638, MT9639, MT9649, MT9650, MT9652, MT9653, MT9666, MT9667, MT9669, MT9671, MT9675, MT9685, MT9686, MT9688
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
- Technology feeds
References
-
corp.mediatek.com
/product-security-bulletin/August-2023
vendor-advisory
Sources
- CVE List CVE-2023-20811
- NVD CVE-2023-20811
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