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01 Record

CVE-2021-25496

A possible buffer overflow vulnerability in maetd_dec_slice of libSPenBase library of Samsung Notes prior to Samsung Notes version 4.3.02.61 allows arbitrary code execution.

HighPUBLISHEDCNA: Samsung Mobile
CNA base score7.3 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
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02 Description

A possible buffer overflow vulnerability in maetd_dec_slice of libSPenBase library of Samsung Notes prior to Samsung Notes version 4.3.02.61 allows arbitrary code execution.

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
0.28% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 20.6% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
2021-10-06 17:11Z5 YR AGO
Last updated
2024-08-03 20:03Z2 YR AGO
Reserved
2021-01-19
Assigning CNA
Samsung Mobile
Record state
PUBLISHED
Severity
High (CVSS 7.3)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
0b2146451915d3209b7cc70791622ba96754164e37dc9a494e426bfa25e0eae9

05 Affected products

VendorProductVersionsPlatforms
Samsung MobileSamsung Notes- to < 4.3.02.61—

06 References