CVE-2023-6340 — MEDIUM (5.5)

Q: How severe is CVE-2023-6340?

CVE-2023-6340 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-6340?

Check the references section above for vendor advisories and patch information. Affected products include: Sonicwall Capture Client, Sonicwall Netextender.

Vulnerability Description

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 Overflow vulnerability.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Sonicwall	Capture Client	<= 3.7.10
Sonicwall	Netextender	<= 10.2.337

Related Weaknesses (CWE)

CWE-121 CWE-787

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0019Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0019Vendor Advisory

FAQ

What is CVE-2023-6340?

CVE-2023-6340 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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-Ser...

How severe is CVE-2023-6340?

CVE-2023-6340 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-6340?

Check the references section above for vendor advisories and patch information. Affected products include: Sonicwall Capture Client, Sonicwall Netextender.