CVE-2021-25509
CVE-2021-25509 is a medium-severity vulnerability in Samsung Samsung Flow with a CVSS 3.x base score of 5.9. 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-20.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v2: 3.6
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Samsung Samsung Flow
- Published:
- Last modified:
Description
A missing input validation in Samsung Flow Windows application prior to Version 4.8.5.0 allows attackers to overwrite abtraty file in the Windows known folders.
Frequently asked questions
- What is CVE-2021-25509?
- A missing input validation in Samsung Flow Windows application prior to Version 4.8.5.0 allows attackers to overwrite abtraty file in the Windows known folders.
- How severe is CVE-2021-25509?
- CVE-2021-25509 has a CVSS 3.x base score of 5.9, 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 low, and availability low.
- Is CVE-2021-25509 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25509?
- CVE-2021-25509 affects Samsung Samsung Flow. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25509?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-25509 published?
- CVE-2021-25509 was published on 2021-11-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:samsung:samsung_flow:*:*:*:*:*:windows:*:*
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