What is CVE-2023-6340?

CVE-2023-6340 is a vulnerability in Sonicwall Capture Client, classified under Stack-based Buffer Overflow. Published 2024-01-17.

Is CVE-2023-6340 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Sonicwall Capture Client

CVE-2023-6340

SonicWall Capture Client version 3.7.10, NetExtender client version 10.2.337 and earlier versions are installed with sfpmonitor.sys driver. The driver has been found to be vulnerable to Denial-of-Service (DoS) caused by Stack-based Buffer…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (20.6th percentile) — read the EPSS interpretation.

Affected products

Sonicwall Capture Client — versions 3.7.10 and earlier versions
Sonicwall Netextender — versions 10.2.337 and earlier versions

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

ayhan-dev/CVE-LIST

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0019 (vendor-advisory)

Frequently asked questions

What is CVE-2023-6340?: CVE-2023-6340 is a vulnerability in Sonicwall Capture Client, classified under Stack-based Buffer Overflow. Published 2024-01-17.
Is CVE-2023-6340 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.