CVE-2021-25339 json
Improper address validation in HArx in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kerne…
published 2021-03-04 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12235
- cvss
- 4.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 1%
- public exploits
- 0
- none known
Summary
Improper address validation in HArx in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to corrupt EL2 memory.
Patch / fix
- Samsung Mobile Samsung Mobile Devices SMR Mar-2021 Release 1
Exploit prediction
0.12% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.4 | CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:L |
| NVD | 3.1 | 5.2 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Samsung Mobile Samsung Mobile Devices
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
security.samsungmobile.com
/securityUpdate.smsb
vendor-advisory
-
security.samsungmobile.com
vendor-advisory
Sources
- CVE List CVE-2021-25339
- NVD CVE-2021-25339
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