Actively exploited · Published Oct 6, 2021 · Assigned by Samsung Mobile

CVE-2021-25487

High 7.3 Exploited

In plain English

A high-severity out-of-bounds read in Samsung Mobile Devices from Samsung Mobile. Attackers are actively exploiting it in the wild (listed by CISA on June 29, 2023). The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.6%top 49.4% of all CVEs
Exploited in the wildYesCISA KEV since Jun 29, 2023
Attack toolingNoneno public tooling known

CISA guidance

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Federal agencies must remediate by Jul 20, 2023.

Official description

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.

Affected products (as reported)

VendorProductVersions
Samsung Mobile Samsung Mobile Devices O(8.1), P(9.0), Q(10.0), R(11.0) – before SMR Oct-2021 Release 1

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

References