Is CVE-2021-25337 actively exploited?

Yes. CVE-2021-25337 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-25337 be exploited remotely?

The attack vector of CVE-2021-25337 has not been classified yet.

What is the CVSS score of CVE-2021-25337?

CVE-2021-25337 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-25337

HIGHCISA KEVIN THE WILD

CVE-2021-25337

Published: November 8, 2022

EPSS:0.48%probability of exploitation in 30 daysPercentile:64.5th

Official Description

Samsung mobile devices contain an improper access control vulnerability in clipboard service which allows untrusted applications to read or write arbitrary files. This vulnerability was chained with CVE-2021-25369 and CVE-2021-25370.

NVD Source

CISA KEV Advisory

Samsung Mobile Devices Improper Access Control Vulnerability

Added to KEV: 2022-11-08Federal patch deadline: 2022-11-29

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Samsung mobile devices contain an improper access control vulnerability in the clipboard service, allowing untrusted applications to read or write arbitrary files. This high-severity flaw was chained with other vulnerabilities and is confirmed to be exploited in the wild (KEV), making it a critical issue despite a low EPSS score.

This vulnerability is actively being exploited in the wild, as confirmed by its presence in CISA's KEV catalog. It was observed to be chained with other vulnerabilities for exploitation.

Recommended Action

Samsung mobile device users should apply the latest security updates to address this improper access control vulnerability. Regularly reviewing application permissions can also enhance security.

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-2021-25337 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-2021-25337 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.