CVE-2021-25407 json
A possible out of bounds write vulnerability in NPU driver prior to SMR JUN-2021 Release 1 allows arbitrary memory write.
published 2021-06-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12303
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
Summary
A possible out of bounds write vulnerability in NPU driver prior to SMR JUN-2021 Release 1 allows arbitrary memory write.
Patch / fix
- Samsung Mobile Samsung Mobile Devices SMR JUN-2021 Release 1
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Samsung Mobile Samsung Mobile Devices
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
security.samsungmobile.com
/securityUpdate.smsb?year=2021&month=6
vendor-advisory
-
packetstormsecurity.com
/files/163198/Samsung-NPU-npu_session_format-Out-Of-Bounds-Write.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-25407
- NVD CVE-2021-25407
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