Is CVE-2021-25489 actively exploited?

Yes. CVE-2021-25489 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-25489 be exploited remotely?

The attack vector of CVE-2021-25489 has not been classified yet.

What is the CVSS score of CVE-2021-25489?

CVE-2021-25489 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-25489

HIGHCISA KEVIN THE WILD

CVE-2021-25489

Published: June 29, 2023

EPSS:0.36%probability of exploitation in 30 daysPercentile:57.9th

Official Description

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.

NVD Source

CISA KEV Advisory

Samsung Mobile Devices Improper Input Validation Vulnerability

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: 2023-06-29Federal patch deadline: 2023-07-20

Required Action (CISA)

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

Risk Analysis

Samsung mobile devices are affected by an improper input validation vulnerability in the modem interface driver, which can lead to a kernel panic due to a format string bug. This is a high-severity issue, and its inclusion in CISA's KEV catalog confirms active exploitation, making it an urgent concern despite a low EPSS score of 0.00363.

This vulnerability has been actively exploited in the wild, as confirmed by its presence in CISA's KEV catalog.

Recommended Action

Samsung mobile device users should apply the latest security updates provided by the manufacturer to patch this modem interface driver vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-25489 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-25489 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.