CVE DATABASE / CVE-2021-25487
CVE-2021-25487
Samsung Mobile Devices Out-of-Bounds Read Vulnerability
CVSS 7.3 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2023-06-29.
Federal remediation due 2023-07-20.
Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Summary
Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.
CVSS 3.1 breakdown
| Base score | 7.3 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity | LOW |
| Availability | NONE |
Weakness type (CWE)
Affected products
Samsung android
Check this CVE live
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25487
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-30. Always verify against the vendor advisory before acting.