CVE-2023-21436

Name: CVE-2023-21436
Creator: NVD / NIST
Published: 2023-02-09T19:15:16.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2023-21436 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. Improper usage of implicit intent in Contacts prior to SMR Feb-2023 Release 1 allows attacker to get account ID.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

Improper usage of implicit intent in Contacts prior to SMR Feb-2023 Release 1 allows attacker to get account ID.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.15%

4.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-285

Affected Software

Vendor	Product	Versions
Samsung	Android	10.0
Samsung	Android	11.0
Samsung	Android	12.0
Samsung	Android	13.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=02Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=02Vendor Advisory

Timeline

Published: Feb 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21436?

Improper usage of implicit intent in Contacts prior to SMR Feb-2023 Release 1 allows attacker to get account ID.

How severe is CVE-2023-21436?

CVE-2023-21436 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21436?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21436?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST