How severe is CVE-2023-21429?

CVE-2023-21429 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 low, integrity none, and availability none.

Is CVE-2023-21429 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21429?

CVE-2023-21429 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-2023-21429?

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

When was CVE-2023-21429 published?

CVE-2023-21429 was published on 2023-02-09 and last updated on 2026-06-17.

CVE-2023-21429

CVE-2023-21429 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. The underlying weakness is classified as CWE-285.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Samsung Android
Published: 2023-02-09
Last modified: 2026-06-17

Description

Improper usage of implict intent in ePDG prior to SMR JAN-2023 Release 1 allows attacker to access SSID.

Frequently asked questions

What is CVE-2023-21429?: Improper usage of implict intent in ePDG prior to SMR JAN-2023 Release 1 allows attacker to access SSID.
How severe is CVE-2023-21429?: CVE-2023-21429 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 low, integrity none, and availability none.
Is CVE-2023-21429 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21429?: CVE-2023-21429 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-2023-21429?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21429 published?: CVE-2023-21429 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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