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Known exploited vulnerability

CVE-2021-25395

mediumCVSS 3.1 6.4In CISA KEVEPSS 0.37%Published · Samsung Mobile

The short answer

CVE-2021-25395 affects Samsung Mobile Samsung Mobile Devices and is rated medium (CVSS 6.4). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-06-29: attackers are using it, so patch it first.

What it is

A race condition in MFC charger driver prior to SMR MAY-2021 Release 1 allows local attackers to bypass signature check given a radio privilege is compromised.

Weakness: CWE-362.

Severity

6.4 medium

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

Exploited (CISA KEV)

Yes, since Jun 29, 2023

Federal due date Jul 20, 2023

EPSS, next 30 days

0.37%

Higher than 31% of scored CVEs

How it can be exploited

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

What CISA says to do

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

Affected products

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

References

Questions

Is CVE-2021-25395 being exploited?

Yes. CISA added CVE-2021-25395 to its Known Exploited Vulnerabilities catalog on 2023-06-29, with a federal remediation due date of 2023-07-20.

How do I fix CVE-2021-25395?

CISA's required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

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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