How severe is CVE-2024-20856?

CVE-2024-20856 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-20856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20856?

CVE-2024-20856 primarily affects Samsung Android. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20856?

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

Does CVE-2024-20856 have an EU (EUVD) identifier?

Yes. CVE-2024-20856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18571.

When was CVE-2024-20856 published?

CVE-2024-20856 was published on 2024-05-07 and last updated on 2026-06-17.

CVE-2024-20856

CVE-2024-20856 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18571
Weakness: CWE-287
Affected product: Samsung Android
Published: 2024-05-07
Last modified: 2026-06-17

Description

Improper Authentication vulnerability in Secure Folder prior to SMR May-2024 Release 1 allows physical attackers to access Secure Folder without proper authentication in a specific scenario.

Frequently asked questions

What is CVE-2024-20856?: Improper Authentication vulnerability in Secure Folder prior to SMR May-2024 Release 1 allows physical attackers to access Secure Folder without proper authentication in a specific scenario.
How severe is CVE-2024-20856?: CVE-2024-20856 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-20856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20856?: CVE-2024-20856 primarily affects Samsung Android. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-20856?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-20856 have an EU (EUVD) identifier?: Yes. CVE-2024-20856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18571.
When was CVE-2024-20856 published?: CVE-2024-20856 was published on 2024-05-07 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2024&month=05

Affected products (31)

cpe:2.3:o:samsung:android:14.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-apr-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-apr-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-apr-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-aug-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-aug-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-dec-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-dec-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-feb-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-feb-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jan-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jan-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jan-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jul-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jul-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jun-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-jun-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-mar-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-mar-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-mar-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-may-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-may-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-nov-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-nov-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-nov-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-oct-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-oct-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-sep-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:14.0:smr-sep-2023-r1:*:*:*:*:*:*

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