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CVE-2021-25493

HIGH
7.1
CVSS Score
Published: October 6, 2021 at 05:11 PM UTC
Updated: June 17, 2026 at 03:42 AM UTC
1 product affected across 1 vendorNotes

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%

Description

Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Notes· Samsung
95%
v ≤ 4.3.02.61v < 4.3.02.61
Affected range stops below 4.3.02.61, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=10

CVSS

7.1HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125CWE-119

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