CVE-2023-21489 json
Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.
published 2023-05-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25657
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- public exploits
- 0
- none known
Summary
Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.
Patch / fix
- Samsung Mobile Samsung Mobile Devices SMR May-2023 Release 1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Samsung Mobile Samsung Mobile Devices
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
Sources
- CVE List CVE-2023-21489
- NVD CVE-2023-21489
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