CVE-2025-21070
CVE-2025-21070 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-787.
Key facts
- Severity: Medium (CVSS 3.x base score 4.0)
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-33663
- Weakness: CWE-787
- Affected product: Samsung Notes
- Published:
- Last modified:
Description
Out-of-bounds write in the SPI decoder in Samsung Notes prior to version 4.4.30.63 allows local attackers to write out-of-bounds memory.
Frequently asked questions
- What is CVE-2025-21070?
- Out-of-bounds write in the SPI decoder in Samsung Notes prior to version 4.4.30.63 allows local attackers to write out-of-bounds memory.
- How severe is CVE-2025-21070?
- CVE-2025-21070 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 none, integrity low, and availability none.
- Is CVE-2025-21070 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-21070?
- CVE-2025-21070 affects Samsung Notes. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-21070?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-21070 have an EU (EUVD) identifier?
- Yes. CVE-2025-21070 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33663.
- When was CVE-2025-21070 published?
- CVE-2025-21070 was published on 2025-10-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:samsung:notes:*:*:*:*:*:*:*:*
More vulnerabilities in Samsung Notes
- CVE-2024-34657 — High (CVSS 8.6): Stack-based out-of-bounds write in Samsung Notes prior to version 4.4.21.62 allows remote attackers to execute…
- CVE-2024-34623 — High (CVSS 7.8): Out-of-bounds write in applying connected information in Samsung Notes prior to version 4.4.21.62 allows local…
- CVE-2024-34622 — High (CVSS 7.8): Out-of-bounds write in appending paragraph in Samsung Notes prior to version 4.4.21.62 allows local attackers to…
- CVE-2025-20931 — High (CVSS 7.3): Out-of-bounds write in parsing bmp image in Samsung Notes prior to version 4.4.26.71 allows local attackers to execute…
- CVE-2025-20929 — High (CVSS 7.3): Out-of-bounds write in parsing jpeg image in Samsung Notes prior to version 4.4.26.71 allows local attackers to execute…
- CVE-2024-34660 — High (CVSS 7.3): Heap-based out-of-bounds write in Samsung Notes prior to version 4.4.21.62 allows local attackers to execute arbitrary…
All CVEs affecting Samsung Notes →
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…