How severe is CVE-2023-30733?

CVE-2023-30733 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-30733 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30733?

CVE-2023-30733 primarily affects Samsung Android. In total, 37 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-30733?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-30733 published?

CVE-2023-30733 was published on 2023-10-04 and last updated on 2026-06-17.

CVE-2023-30733

CVE-2023-30733 is a high-severity vulnerability in Samsung Android with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Samsung Android
Published: 2023-10-04
Last modified: 2026-06-17

Description

Stack-based Buffer Overflow in vulnerability HDCP trustlet prior to SMR Oct-2023 Release 1 allows local privileged attackers to perform code execution.

Frequently asked questions

What is CVE-2023-30733?: Stack-based Buffer Overflow in vulnerability HDCP trustlet prior to SMR Oct-2023 Release 1 allows local privileged attackers to perform code execution.
How severe is CVE-2023-30733?: CVE-2023-30733 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-30733 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30733?: CVE-2023-30733 primarily affects Samsung Android. In total, 37 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-30733?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-30733 published?: CVE-2023-30733 was published on 2023-10-04 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=10

Affected products (37)

cpe:2.3:o:samsung:android:12.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-apr-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-apr-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-aug-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-aug-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-dec-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-feb-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jan-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jan-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jul-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jul-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jun-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jun-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-mar-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-mar-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-may-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-may-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-nov-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-nov-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-oct-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-sep-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-sep-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-apr-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-aug-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-jan-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-jul-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-jun-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-mar-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-may-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-nov-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-oct-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-sep-2023-r1:*:*:*:*:*:*

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