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Known exploited vulnerability

CVE-2021-25337

highCVSS 3.1 7.1In CISA KEVEPSS 2.8%Published · Samsung Mobile

The short answer

CVE-2021-25337 affects Samsung Mobile Samsung Mobile Devices and is rated high (CVSS 7.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-11-08: attackers are using it, so patch it first.

What it is

Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.

Weakness: CWE-269.

Severity

7.1 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploited (CISA KEV)

Yes, since Nov 8, 2022

Federal due date Nov 29, 2022

EPSS, next 30 days

2.8%

Higher than 87% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
None

What CISA says to do

Apply updates per vendor instructions.

Affected products

Samsung Mobile Devices. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2021-25337 being exploited?

Yes. CISA added CVE-2021-25337 to its Known Exploited Vulnerabilities catalog on 2022-11-08, with a federal remediation due date of 2022-11-29.

How do I fix CVE-2021-25337?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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