CVE-2023-21499

Name: CVE-2023-21499
Creator: NVD / NIST
Published: 2023-05-04T21:15:10.54+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2023-21499 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Out-of-bounds write vulnerability in TA_Communication_mpos_encrypt_pin in mPOS TUI trustlet prior to SMR May-2023 Release 1 allows local attackers to execute arbitrary code.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

Out-of-bounds write vulnerability in TA_Communication_mpos_encrypt_pin in mPOS TUI trustlet prior to SMR May-2023 Release 1 allows local attackers to execute arbitrary code.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.19%

8.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Samsung	Android	13.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05Vendor Advisory

Timeline

Published: May 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21499?

Out-of-bounds write vulnerability in TA_Communication_mpos_encrypt_pin in mPOS TUI trustlet prior to SMR May-2023 Release 1 allows local attackers to execute arbitrary code.

How severe is CVE-2023-21499?

CVE-2023-21499 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21499?

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-2023-21499?

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

Scan your code now

Source: NVD / NIST