CVE-2024-20835

CVE-2024-20835 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 3.x base score 4.0)
• EPSS exploit prediction: 0% (4th percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2024-18550
• Affected product: Samsung Android
• Published: 2024-03-05
• Last modified: 2026-06-17

Description

Improper access control vulnerability in CustomFrequencyManagerService prior to SMR Mar-2024 Release 1 allows local attackers to execute privileged behaviors.

Frequently asked questions

What is CVE-2024-20835?

Improper access control vulnerability in CustomFrequencyManagerService prior to SMR Mar-2024 Release 1 allows local attackers to execute privileged behaviors.

How severe is CVE-2024-20835?

CVE-2024-20835 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2024-20835 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20835?

CVE-2024-20835 primarily affects Samsung Android. In total, 127 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20835?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-20835 have an EU (EUVD) identifier?

Yes. CVE-2024-20835 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18550.

When was CVE-2024-20835 published?

CVE-2024-20835 was published on 2024-03-05 and last updated on 2026-06-17.

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2024&month=03

Affected products (127)

• cpe:2.3:o:samsung:android:11.0:-:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-apr-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-apr-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-apr-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-aug-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-aug-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-aug-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-dec-2020-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-dec-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-dec-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-dec-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-feb-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-feb-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-feb-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-feb-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jan-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jan-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jan-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jan-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jul-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jul-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jul-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jun-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jun-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-jun-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-mar-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-mar-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-mar-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-may-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-may-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-may-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-nov-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-nov-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-nov-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-oct-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-oct-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-oct-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-sep-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-sep-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:11.0:smr-sep-2023-r1:*:*:*:*:*:*

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