CVE-2023-39276

Name: CVE-2023-39276
Creator: NVD / NIST
Published: 2023-10-17T23:15:11.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2023-39276 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. SonicOS post-authentication stack-based buffer overflow vulnerability in the getBookmarkList.json URL endpoint leads to a firewall crash. . EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

SonicOS post-authentication stack-based buffer overflow vulnerability in the getBookmarkList.json URL endpoint leads to a firewall crash.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.80%

52.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sonicwall	Sonicos	< 7.0.1-5145
Sonicwall	Sonicos	< 6.5.4.4-44v-21-2340
Sonicwall	Sonicos	< 6.5.4.13-105n

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0012Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0012Vendor Advisory

Timeline

Published: Oct 17, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39276?

SonicOS post-authentication stack-based buffer overflow vulnerability in the getBookmarkList.json URL endpoint leads to a firewall crash.

How severe is CVE-2023-39276?

CVE-2023-39276 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39276?

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-2023-39276?

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

Scan your code now

Source: NVD / NIST