Coverage › CVE-2021-25489
CVE-2021-25489 Unmapped
Samsung Mobile Devices Improper Input Validation Vulnerability
- Vendor / product
- Samsung — Mobile Devices
- Description (CISA)
- Samsung mobile devices contain an improper input validation vulnerability within the modem interface driver that results in a format string bug leading to kernel panic.
- Added to KEV
- 2023-06-29
- Due date
- 2023-07-20
- Required action
- Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
- Known ransomware use
- Unknown
- CWE
- CWE-20
- CISA notes
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
https://nvd.nist.gov/vuln/detail/CVE-2021-25489 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2021-25489. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-20) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.