CVE-2021-25493
CVE-2021-25493 is a medium-severity vulnerability in Samsung Notes with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 3.x base score 4.0)
- CVSS v2: 3.6
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Samsung Notes
- Published:
- Last modified:
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
Frequently asked questions
- What is CVE-2021-25493?
- 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
- How severe is CVE-2021-25493?
- CVE-2021-25493 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2021-25493 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25493?
- CVE-2021-25493 affects Samsung Notes. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25493?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-25493 published?
- CVE-2021-25493 was published on 2021-10-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:samsung:notes:*:*:*:*:*:*:*:*
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