CVE-2023-21250

Name: CVE-2023-21250
Creator: NVD / NIST
Published: 2023-07-13T00:15:23.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2023-21250 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In gatt_end_operation of gatt_utils.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

In gatt_end_operation of gatt_utils.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.50%

38.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Google	Android	11.0
Google	Android	12.0
Google	Android	12.1
Google	Android	13.0

References

Timeline

Published: Jul 13, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21250?

How severe is CVE-2023-21250?

CVE-2023-21250 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21250?

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-2023-21250?

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

Scan your code now

Source: NVD / NIST