CVE-2021-25495
CVE-2021-25495 is a high-severity vulnerability in Samsung Notes with a CVSS 3.x base score of 7.3. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (19th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Samsung Notes
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-25495?
- 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.
- How severe is CVE-2021-25495?
- CVE-2021-25495 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
- Is CVE-2021-25495 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25495?
- CVE-2021-25495 affects Samsung Notes. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25495?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-25495 published?
- CVE-2021-25495 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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