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01 Record

CVE-2021-25338

Improper memory access control in RKP in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to write certain part of RKP EL2 memory region.

MediumPUBLISHEDCNA: Samsung Mobile
CNA base score4.4 CVSS v3.xCVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:L
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02 Description

Improper memory access control in RKP in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to write certain part of RKP EL2 memory region.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.12% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 1.9% of scored records. A rank, not a probability.
NVD base score
5.2 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-03-04 20:59Z5 YR AGO
Last updated
2024-08-03 20:03Z2 YR AGO
Reserved
2021-01-19
Assigning CNA
Samsung Mobile
Record state
PUBLISHED
Severity
Medium (CVSS 4.4)
CNA CVSS vector
CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:L
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
2a8ee75c274175f92fb69cbd16ea4944c5a75a4feacabaa9255437b4b2a69c3b

05 Affected products

VendorProductVersionsPlatforms
Samsung MobileSamsung Mobile DevicesSelected Q(10.0), R(11.0) to < SMR Mar-2021 Release 1—

06 References