Vulnerability identifier: #VU58622
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-835
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SMA 100
Hardware solutions /
Security hardware applicances
Vendor: SonicWall
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in the "/fileshare/sonicfiles/sonicfiles" endpoint in the `fileexplorer` process. A remote non-authenticated attacker can send specially crafted HTTP request to the system and consume all available CPU resources.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SMA 100: 10.2.1.1-19sv, 10.2.0.8-37sv, 9.0.0.11-31sv
External links
http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.