How severe is CVE-2023-21430?

CVE-2023-21430 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2023-21430 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21430?

CVE-2023-21430 primarily affects Samsung Android. In total, 128 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-21430?

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

When was CVE-2023-21430 published?

CVE-2023-21430 was published on 2023-02-09 and last updated on 2026-06-17.

CVE-2023-21430

CVE-2023-21430 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 4.4. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Samsung Android
Published: 2023-02-09
Last modified: 2026-06-17

Description

An out-of-bound read vulnerability in mapToBuffer function in libSDKRecognitionText.spensdk.samsung.so library prior to SMR JAN-2023 Release 1 allows attacker to cause memory access fault.

Frequently asked questions

What is CVE-2023-21430?: An out-of-bound read vulnerability in mapToBuffer function in libSDKRecognitionText.spensdk.samsung.so library prior to SMR JAN-2023 Release 1 allows attacker to cause memory access fault.
How severe is CVE-2023-21430?: CVE-2023-21430 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2023-21430 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21430?: CVE-2023-21430 primarily affects Samsung Android. In total, 128 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-21430?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21430 published?: CVE-2023-21430 was published on 2023-02-09 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=01

Affected products (128)

cpe:2.3:o:samsung:android:10.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-apr-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-apr-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-apr-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-apr-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-aug-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-aug-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-aug-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-aug-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-dec-2019-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-dec-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-dec-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-dec-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-feb-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-feb-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-feb-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jan-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jan-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jan-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jul-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jul-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jul-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jul-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jun-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jun-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jun-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jun-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-mar-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-mar-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-mar-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-mar-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-may-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-may-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-may-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-may-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-nov-2019-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-nov-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-nov-2021-r1:*:*:*:*:*:*

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