CVE-2023-21653

Name: CVE-2023-21653
Creator: NVD / NIST
Published: 2023-09-05T07:15:12.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2023-21653 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Transient DOS in Modem while processing RRC reconfiguration message.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Transient DOS in Modem while processing RRC reconfiguration message.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.32%

24.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Qualcomm	Ar8035 Firmware	All versions
Qualcomm	Qca8081 Firmware	All versions
Qualcomm	Qca8337 Firmware	All versions
Qualcomm	Qcn6024 Firmware	All versions
Qualcomm	Qcn9024 Firmware	All versions
Qualcomm	Sdx65 Firmware	All versions
Qualcomm	Sdx70m Firmware	All versions
Qualcomm	Wcd9380 Firmware	All versions
Qualcomm	Wcn6855 Firmware	All versions
Qualcomm	Wcn6856 Firmware	All versions

References

https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletinVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletinVendor Advisory

Timeline

Published: Sep 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21653?

Transient DOS in Modem while processing RRC reconfiguration message.

How severe is CVE-2023-21653?

CVE-2023-21653 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21653?

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-2023-21653?

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

Scan your code now

Source: NVD / NIST