Home/CVE/A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.
CVE

CVE-2021-25495

A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.

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

HIGH · CVSS 7.3 EPSS 0.00077
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
samsung notes< 4.3.02.61
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · mobile.security@samsung.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Oct 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=10Vendor Advisory
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